Central Question: Why was the Civil War significant in American history?
When the Civil War broke out in April of 1861, no one thought the war would last long. Americans brought picnic baskets to the first battles, assuming they would also be the last. But four bloody years later, the Civil War turned out to be one of the most gruesome and significant wars in American history. The war’s immediate impact on the nation— most notably, the freedom of millions of enslaved peoples, as well as the growth of American infrastructure— still continues to shape American society to this day, as we continue to debate how we should remember the Civil War.
For more background, read “Lincoln’s Interpretation of the Civil War” on the Gilder Lehrman Institute of American History website (free login required).
Scholars understand and can fluently use the following Unit 1 Key Terms:
Scholars understand the impact of the American Civil War and can broadly explain its significance in American society.
Preparation
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Read (5 minutes)
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Homework
Central Question: Why did the United States declare war on Mexico?
In the 1830s, many Americans supported the idea of Manifest Destiny, a term coined by writer John O’Sullivan arguing that it was America’s God-ordained fate to control the continent. As a result, many Americans were making the journey westward on the Oregon trail or settling in the fertile land of Texas. Many of these Americans wanted these new territories to join the Union, citing Manifest Destiny.
However, other Americans were skeptical of this justification, believing that these expansionists wanted to spread slavery and gain political power. In the 1840s, tensions rose between the United States and Mexico. Mexico did not accept the United States’ annexation of Texas, while the United States, led by President Polk, wanted more land. In 1846, a skirmish on the Rio Grande sparked war, with the United States emerging victorious. In 1848, the two countries signed the Treaty of Guadalupe Hidalgo; Mexico recognized the United States’ annexation of Texas and gave up California and other land to the United States. Although Polk celebrated the victory for Manifest Destiny, other Americans feared its costs and consequences.
For more background, read “The Power of an Idea” and the interview with historian David Pletcher on the PBS website, and explore the “War” section of the PBS U.S.-Mexican War site.
Scholars understand and can fluently use the following Unit 1 Key Terms:
Scholars understand the events and impact of the Mexican-American War and can explain the different justifications for why the United States declared war.
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Homework
Central Question: Why did Congress pass the Compromise of 1850?
After the Mexican-American War, the United States gained new territories. Congress was deadlocked over the spread of slavery in this Mexican Cession. In the meantime, sectionalism was increasing as the North and South grew further and further apart, each developing distinct economies and cultures. To keep the country together, Senator Henry Clay proposed the Compromise of 1850, which would admit California as a free state, create the Utah and New Mexico territories with popular sovereignty, end the slave trade in Washington, D.C., and establish a fugitive slave law.
For more background, read “The Failure of Compromise” on the Gilder Lehrman Institute of American History website (free login required).
Scholars understand and can fluently use the following Unit 1 Key Terms:
Scholars can contextualize U.S. senators within place and time in order to explain sectional views on slavery and statehood and understand how these senators would react to proposed national compromises in 1850.
Preparation
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Central Question: How did abolitionists influence national opinions about slavery?
Unlike politics, which was dominated exclusively by white, wealthy men, the abolition movement provided a means for other Americans to have their voices heard. John Brown, a poor white farmer and radical abolitionist, used violence to achieve his ends, whereas former slave and abolitionist Frederick Douglass used the power of speech to fight slavery. Harriet Beecher Stowe, one of many female abolitionists, used the power of the sentimental novel by writing Uncle Tom’s Cabin in 1852 to expose the conditions of slavery for a more moderate audience. And throughout the 1850s, Harriet Tubman returned to the South 19 times to help slaves escape to freedom on the Underground Railroad. Together, these leaders built support for emancipation in the coming Civil War.
For more background, read John Brown and “Uncle Tom’s Cabin and the Matter of Influence” on the Gilder Lehrman Institute of American History website (free login required), and “Harriet Tubman” and “Frederick Douglass” on the PBS website.
Scholars understand and can fluently use the following Unit 1 Key Terms:
Scholars compare the abolition efforts of John Brown, Frederick Douglass, Harriet Tubman, and Harriet Beecher Stowe and can explain how these abolitionists influenced national opinions about slavery prior to the Civil War.
Preparation
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Homework
Central Question: To what extent was the Compromise of 1850 successful?
Between the Compromise of 1850 and Lincoln’s inauguration in 1860, sectional tensions continued to deepen. Efforts to compromise slowly unraveled, as conflict erupted over the Kansas-Nebraska Act of 1854 and the Dred Scott Supreme Court decision in 1857. The efforts of abolitionists made sure that the issue of slavery stayed at the forefront of national consciousness, while Southerners and slavery sympathizers only grew angrier and more fearful of the prospect of the end of slavery. By 1859, the nation was on the brink of an intractable divide over slavery.
For more background, read “Kansas-Nebraska Act” on the History Channel website and “Dred Scott’s Fight for Freedom” on the PBS website.
Scholars understand and can fluently use the following Unit 1 Key Term:
Scholars understand the sectional conflicts of the 1850s and can explain the extent to which the Compromise of 1850 successfully “settled” the debate over slavery.
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Homework
Central Question: Why did Abraham Lincoln rise to become the leader of the new Republican Party?
Between the Compromise of 1850 and Lincoln’s inauguration in 1860, sectional tensions continued to deepen. Efforts to compromise slowly unraveled, as conflict erupted over the Kansas-Nebraska Act of 1854 and the Dred Scott Supreme Court decision in 1857. In the midst of these escalating tensions, Abraham Lincoln emerged as a strong and reasoned leader, rising from his position as a lawyer and local politician in Illinois to national prominence. His speeches in response to each new conflict in the 1850s poised him to become the Republican candidate for president of the United States.
For more background, read “Lincoln and the ‘House Divided’” and “Another Look at Lincoln and Race” on the Gilder Lehrman Institute of American History website (free login required).
Scholars understand and can fluently use the following Unit 1 Key Term:
Scholars understand Abraham Lincoln’s responses to the sectional conflicts of the 1850s and can explain how and why Lincoln rose to national prominence.
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Homework
Central Question: Why did the South secede?
In 1860, President Abraham Lincoln was elected president. In response, sectional tensions erupted. Beginning with the secession of South Carolina in 1860, by June of 1861, 11 Southern and border states had seceded from the Union and formed a provisional government, calling themselves the Confederate States of America. Seceding on the grounds of “states’ rights,” the Southern states feared that Republican Lincoln would infringe upon those rights by outlawing slavery.
For more background, read “Secession” on the History Channel website and Abraham Lincoln and the Election of 1860 on the Gilder Lehrman Institute of American History website (free login required).
Scholars understand and can fluently use the following Unit 1 Key Term:
Scholars understand the immediate causes of and justifications for Southern secession and can explain why the South seceded.
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Central Question: Why did the South secede?
Scholars revise their Exit Tickets based on individualized teacher feedback to make their essays stronger and clearer and understand how to use their feedback to grow as writers.
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Central Question: How did different groups of Americans experience the Civil War?
On April 12, 1861, the Civil War erupted at Fort Sumter, a sea fort in Charleston, South Carolina. The War would rage on until May 9, 1865, with battles covering much of the Southeastern United States, making their way as far north as Gettysburg, Pennsylvania, and as far west as Vicksburg, Mississippi. The war was characterized by new, mechanized technologies that led to unprecedented amounts of death and violence. Families were torn apart as cousins fought against each other. Women left their traditional domestic spheres and redefined their roles by participating in public life more than ever before, working as nurses and organizing aid societies. African American soldiers took up arms in the North, encouraged by abolitionist leaders to fight for freedom. And for the first time, the horrors of war were brought to the home front, as the invention of photography allowed everyone to witness life on the battlefield.
For more background, read “Civil War Technology,” “Black Civil War Soldiers,” and “Women in the Civil War” on the History Channel website, and browse the American Battlefield Trust website.
Scholars understand and can fluently use the following Unit 1 Key Terms:
Scholars understand the outbreak and key events of the Civil War and can explain how the war affected different groups of Americans.
Preparation
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Homework
Central Question: Why did President Lincoln issue the Emancipation Proclamation?
When the Civil War began, President Lincoln carefully framed the conflict as concerning the preservation of the Union rather than the abolition of slavery. Although he personally found the practice of slavery abhorrent, he knew that neither Northerners nor the residents of the border slave states would support abolition as a war aim. But by mid-1862, as thousands of slaves fled to join the invading Northern armies, Lincoln was convinced that abolition had become a sound military strategy, as well as the morally correct path. On September 22, soon after the Union victory at Antietam, he issued a preliminary Emancipation Proclamation, declaring that as of January 1, 1863, all slaves in the rebellious states “shall be then, thenceforward, and forever free.” Although the Emancipation Proclamation did not free a single slave, it was an important turning point in the war, transforming the fight to preserve the nation into a battle for human freedom.
For more background, read The Emancipation Proclamation: Bill of Lading or Ticket to Freedom? and Lincoln and Emancipation on the Gilder Lehrman Institute of American History website (free login required).
Scholars understand and can fluently use the following Unit 1 Key Term:
Scholars understand the Emancipation Proclamation and can explain why Lincoln issued the proclamation in 1863.
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Homework
Central Question: Why was the Battle of Gettysburg a turning point in the Civil War?
Despite Lincoln’s hope that the Emancipation Proclamation would change the course of war for the Union, the end remained nowhere in sight. On July 1, 1863, General Lee launched his second invasion of the North in Gettysburg, Pennsylvania. The Union defeated Lee and the Confederacy in what became the deadliest battle of the Civil War, marking a turning point for Union soldiers. In addition to the Union’s victory at Gettysburg, the battle inspired Lincoln’s “Gettysburg Address,” a speech that forever redefined and solidified the meaning of the Civil War for Union soldiers: that it was their work to ensure that the United States became a land of liberty for all. As the first major victory following Lincoln’s Emancipation Proclamation, the Battle of Gettysburg proved that fighting a war to end slavery— rather than a war to save the Union— would be the key to a Union victory in the Civil War.
For more background, read “The Relevance of Gettysburg,” “The Gettysburg Myth Revisited,” and “Common Soldiers at the Battle of Gettysburg” on the Gilder Lehrman Institute of American History website (free login required).
Scholars understand and can fluently use the following Unit 1 Key Term:
Scholars understand the events of the Battle of Gettysburg and can explain why the battle changed the course of the Civil War.
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Central Question: Why did Lincoln fight to pass the 13th Amendment before the end of the Civil War?
Following the Battle of Gettysburg, the road to victory was more clear for the U.S. Army. Adopting the abolition of slavery as the Union’s cause was working, and by the time he issued his “Gettysburg Address,” Lincoln was ready to see Emancipation to its end. The Emancipation Proclamation was only a wartime measure and did not guarantee the freedom of slaves following the war. Thus, President Lincoln dedicated the rest of his term as president not only trying to win the war, but trying to pass the 13th Amendment as well.
For more background, read “Abraham Lincoln and the Passage of the 13th Amendment” and “Lincoln and Abolitionism” on the Gilder Lehrman Institute of American History website (free login required). Familiarize yourself with the film Lincoln (2012).
Scholars understand and can fluently use the following Unit 1 Key Term:
Scholars understand the debate over the 13th Amendment and can explain why Lincoln fought to pass it before the end of the Civil War.
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Central Question: Why did Lincoln fight to pass the 13th Amendment before the end of the Civil War?
Scholars understand the debate over the 13th Amendment and can explain why Lincoln fought to pass it before the end of the Civil War.
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Watch (15 minutes)
Homework
Teacher Feedback Guidance
Central Question: Why did Lincoln fight to pass the 13th Amendment before the end of the Civil War?
Scholars revise their Exit Tickets based on individualized teacher feedback to make their essays stronger and clearer and understand how to use their feedback to grow as writers.
Preparation
Homework
Teacher Feedback Guidance
Central Question: Why did the Union win the Civil War?
Following the Battle of Gettysburg, the fate of the Union Army took a turn for the better, winning a string of battles and forcing the Confederate Army to retreat. In addition to military momentum, the North had better supplies and more advanced technologies, whereas Confederate soldiers were often starving and freezing. With the reelection of Abraham Lincoln in 1864, the Union was ready for a decisive victory.
Culminating with Sherman’s “March to the Sea,” the War was won for the Union. In April of 1865, at the Appomattox Court House, Robert E. Lee surrendered and the war was over.
For more background, watch Why the Union Won, and read “Lincoln the War President,” “Lincoln’s Interpretation of the Civil War,” and “Lincoln’s Second Inaugural,” all on the Gilder Lehrman Institute of American History website (free login required).
Scholars understand and can fluently use the following Unit 1 Key Term:
Scholars understand the events leading to the end of the Civil War and can explain why the Union defeated the Confederacy.
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Homework
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