Overview:

Unit 9 of APUSH covers the Antebellum Era, a period of significant political, economic, and social transformations in the United States leading up to the Civil War. This review provides a comprehensive guide to the key themes, events, and figures of this era.
Key Concepts:
- Manifest Destiny: The belief that the United States was destined to expand westward across the North American continent.
- Industrial Revolution: The shift from agricultural to industrial production, leading to the rise of factories, cities, and transportation networks.
- Market Revolution: The growth of a capitalist economy and the rise of the middle class.
- Sectionalism: Growing tensions between the North and South over slavery, economic differences, and political power.
- Abolitionism: The movement to end slavery.
Major Events:
- Louisiana Purchase (1803): The United States doubled in size with the acquisition of the Louisiana Territory from France.
- War of 1812 (1812-1815): A conflict with Great Britain that boosted American nationalism.
- Missouri Compromise (1820): An agreement that temporarily resolved the issue of slavery in the territories.
- Indian Removal Act (1830): The forced relocation of Native American tribes from the East to the West.
- Nullification Crisis (1832): South Carolina’s challenge to federal authority over tariffs.
- Texas Revolution (1836): The independence of Texas from Mexico, adding a large slave state to the Union.
- Mexican-American War (1846-1848): A conflict that resulted in the United States acquiring much of the present-day Southwestern United States.
- Compromise of 1850: Another attempt to resolve the slavery issue, including the Fugitive Slave Act.
- Kansas-Nebraska Act (1854): A controversial law that repealed the Missouri Compromise and allowed popular sovereignty in the territories.
- Dred Scott v. Sandford (1857): A Supreme Court ruling that denied citizenship to African Americans.
- John Brown’s Raid on Harper’s Ferry (1859): An abolitionist attack on a federal arsenal that further inflamed tensions.
Key Figures:
- Thomas Jefferson: The third President of the United States, who acquired the Louisiana Territory.
- Andrew Jackson: The seventh President, known for his support of Manifest Destiny and Indian Removal.
- Henry Clay: A leading advocate of compromise, including the Missouri Compromise and the Compromise of 1850.
- William Lloyd Garrison: An abolitionist who founded the newspaper The Liberator.
- Harriet Beecher Stowe: An author whose novel “Uncle Tom’s Cabin” exposed the horrors of slavery.
- Abraham Lincoln: The 16th President, who played a key role in preserving the Union during the Civil War.
Economic and Social Developments:
- Rise of the Cotton Kingdom: The South became increasingly dependent on cotton production, fueling its economy but also strengthening the institution of slavery.
- Transportation Revolution: Improvements in transportation, such as steamboats and railroads, facilitated the movement of goods and people across the nation.
- Urbanization: Cities grew rapidly, providing opportunities for jobs and social interaction but also leading to overcrowding and social problems.
- Education Reform: Reformers advocated for expanding access to education, including for women and African Americans.
Political Debates:
- Slavery: The central issue of the era, dividing the country into Northern states opposed to slavery and Southern states where it was an integral part of the economy.
- Tariff Policy: The North supported tariffs to protect American industries, while the South opposed them as a tax on its exports.
- States’ Rights: Southern states argued for the right to nullify federal laws, while the North insisted on federal supremacy.
- Territorial Expansion: The issue of slavery in new territories became a major source of tension between the North and South.
Conclusion:
The Antebellum Era was a period of profound changes and social divisions that laid the groundwork for the American Civil War. By understanding the key themes, events, and figures of this era, students can gain a deeper appreciation of the complex forces that shaped the United States in the 19th century.
Table 1: Key Events of the Antebellum Era
Event | Date | Significance |
---|---|---|
Louisiana Purchase | 1803 | Doubled the size of the United States. |
War of 1812 | 1812-1815 | Boosted American nationalism. |
Missouri Compromise | 1820 | Temporarily resolved the issue of slavery in the territories. |
Indian Removal Act | 1830 | Forced relocation of Native American tribes from the East to the West. |
Nullification Crisis | 1832 | South Carolina’s challenge to federal authority over tariffs. |
Texas Revolution | 1836 | Texas gained independence from Mexico, adding a large slave state to the Union. |
Mexican-American War | 1846-1848 | United States acquired much of the present-day Southwestern United States. |
Compromise of 1850 | 1850 | Attempted to resolve the slavery issue, including the Fugitive Slave Act. |
Kansas-Nebraska Act | 1854 | Repealed the Missouri Compromise and allowed popular sovereignty in the territories. |
Dred Scott v. Sandford | 1857 | Supreme Court ruling that denied citizenship to African Americans. |
John Brown’s Raid on Harper’s Ferry | 1859 | Abolitionist attack on a federal arsenal that inflamed tensions. |
Table 2: Key Figures of the Antebellum Era
Figure | Role | Contributions |
---|---|---|
Thomas Jefferson | 3rd President of the US | Acquired the Louisiana Territory. |
Andrew Jackson | 7th President | Supported Manifest Destiny and Indian Removal. |
Henry Clay | Leading advocate of compromise | Missouri Compromise, Compromise of 1850. |
William Lloyd Garrison | Abolitionist | Founded The Liberator newspaper. |
Harriet Beecher Stowe | Author | “Uncle Tom’s Cabin” exposed the horrors of slavery. |
Abraham Lincoln | 16th President | Played a key role in preserving the Union during the Civil War. |
Table 3: Key Economic and Social Developments
Development | Significance |
---|---|
Rise of the Cotton Kingdom | Strengthened the institution of slavery in the South. |
Transportation Revolution | Facilitated the movement of goods and people across the nation. |
Urbanization | Provided opportunities for jobs and social interaction, but also led to overcrowding. |
Education Reform | Expanded access to education, including for women and African Americans. |
Table 4: Key Political Debates
Debate | Issue |
---|---|
Slavery | Central issue of the era, dividing the North and South. |
Tariff Policy | North supported tariffs, while the South opposed them. |
States’ Rights | Southern states argued for the right to nullify federal laws. |
Territorial Expansion | Issue of slavery in new territories became a source of tension. |