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| Era of Good Feelings | period in American history between 1815 and 1825; term originated in an article in the Boston Columbian Centinel published on 12 July 1817;refer to the general mood of the country immediately after the War of 1812 (1812–1815), which was nationalistic, harmonious, and prosperous |
| Hudson River School | first coherent school of American art; active from 1825 to 1870; painted wilderness landscapes of the Hudson River valley and surrounding New England |
| John Marshall | was an American politician who served as the fourth Chief Justice of the United States from 1801 to 1835. |
| Andrew Jackson | was an American soldier and statesman who served as the seventh President of the United States from 1829 to 1837. |
| Adams-Onis Treaty | was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain. |
| Monroe Doctrine | a principle of US policy, originated by President James Monroe in 1823, that any intervention by external powers in the politics of the Americas is a potentially hostile act against the US. |
| Nationalism | A strong feeling of pride in and devotion to one's country |
| James Fenimore Cooper | was an American writer of the first half of the 19th century. His historical romances draw a picture of frontier and American Indian life in the early American days which created a unique form of American literature. |
| Washington Irving | was an American short story writer, essayist, biographer, historian, and diplomat of the early 19th century. |
| Henry Clay | a political leader from Kentucky, first in the House of Representatives later in the Senate, war hawk and known as The "Great Compromiser" |
| American System | a system which relied upon tariffs, the Bank of the U.S. and internal improvements within the U.S. |
| Protective Tariff | a duty placed on imports to make them less attractive than domestic products |
| Tariff of 1816 | notable as the first tariff passed by Congress with an explicit function of protecting U.S. manufactured items from overseas competition |
| Panic of 1819 | a period after post war of 1812 expansion;Banks throughout the country failed; mortgages were foreclosed, forcing people out of their homes and off their farms. Falling prices impaired agriculture and manufacturing, triggering widespread unemployment. |
| John Quincy Adams | served as an ambassador to Spain, Secretary of State and later the 6th President of the United States. Principle author of the Monroe Doctrine |
| First Seminole War | conflict between U.S. armed forces and the Seminole Indians of Florida that is generally dated to 1817–18 and that led Spain to cede Florida to the United States. |
