Era of Good Feelings, Expansion & Conflict (5)

American System (Henry Clay)

 Economic plan of tariffs, a national bank, and internal improvements to foster industry and national unity.

Missouri Compromise

1820 agreement admitting Missouri as slave, Maine as free, and banning slavery north of 36°30′ in the Louisiana Purchase.

Monroe Doctrine

1823 policy opposing European colonization/intervention in the Americas.

Nullification Crisis

1832–33 confrontation over tariff enforcement where South Carolina asserted state veto power; later defused by compromise and Force Act.

Corrupt Bargain (1824

Alleged deal giving John Quincy Adams the presidency after House vote, angering Andrew Jackson’s supporters.

Tariff of 1828 (Tariff of Abominations)

High protective tariff that angered Southern economy and fueled nullification.

Force Act (1833)

Law authorizing federal force to enforce tariff laws during the Nullification Crisis.

Amistad Affair

1839 slave ship revolt and Supreme Court case involving illegally transported Africans and U.S. law on slavery.

Improvements & Inventions

New technologies like railroads, canals, steamboats, the telegraph, and factory machines improved transportation, communication, and production, helping the U.S. economy grow and expand westward.