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Session Length
~11 min
Adaptive Checks
10 questions
Transfer Probes
5
Explore the transformative era of American expansion and reform from the Louisiana Purchase through the Mexican-American War. This topic covers Jeffersonian and Jacksonian democracy, westward expansion and Manifest Destiny, the Market Revolution, the Second Great Awakening and its reform movements, the growing sectional crisis over slavery, and the foundations of the women rights movement.
Aligned to AP US History Period 4.
One step at a time.
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The widely held belief that American settlers were destined by God to expand across North America. It justified territorial expansion, indigenous removal, and the Mexican-American War.
Example: President James K. Polk used Manifest Destiny to justify the annexation of Texas (1845), the Oregon settlement with Britain, and the Mexican-American War (1846-1848), which added California and the Southwest.
The political movement championed by Andrew Jackson that expanded white male suffrage, challenged elite institutions like the National Bank, and promoted the 'common man' — while excluding women, Native Americans, and enslaved people.
Example: Jackson vetoed the recharter of the Second Bank of the United States in 1832, calling it a tool of eastern elites, and supported the Indian Removal Act despite Supreme Court opposition.
A wave of Protestant religious revivals in the early 1800s that emphasized personal salvation and moral reform, fueling abolition, temperance, women's rights, and education movements.
Example: Camp meetings and revival circuits inspired reformers like Frederick Douglass (abolition), Dorothea Dix (mental health reform), and participants in the Seneca Falls Convention (1848) for women's rights.
The transformation of the American economy from local subsistence farming to regional and national markets, driven by transportation improvements (canals, railroads), factory production, and banking expansion.
Example: The Erie Canal (1825) connected the Great Lakes to New York City, reducing shipping costs by 90% and turning New York into the nation's commercial capital.
Federal legislation authorizing the president to negotiate removal treaties with Native American nations east of the Mississippi, leading to forced relocations including the Trail of Tears.
Example: The Cherokee Nation sued in Worcester v. Georgia (1832), and the Supreme Court ruled in their favor, but Jackson reportedly said 'John Marshall has made his decision; now let him enforce it' and proceeded with removal.
The movement to immediately end slavery in the United States, led by both Black and white activists who used moral, religious, and political arguments to challenge the institution.
Example: William Lloyd Garrison published The Liberator beginning in 1831, while Frederick Douglass's autobiography (1845) and speaking tours powerfully humanized the enslaved experience for northern audiences.
A congressional agreement admitting Missouri as a slave state and Maine as a free state while prohibiting slavery north of the 36°30' line in the Louisiana Territory, temporarily defusing sectional conflict.
Example: The compromise maintained the Senate balance between slave and free states but was called 'a fire bell in the night' by Thomas Jefferson, who recognized it merely postponed the slavery crisis.
The growing divergence of economic interests, social structures, and political priorities between the North (industrial, wage labor, urban) and South (agricultural, enslaved labor, rural) in the antebellum period.
Example: The North favored protective tariffs to shield its factories, while the South opposed them because tariffs raised the cost of imported goods and invited retaliatory tariffs on cotton exports.
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