| A | B |
| James Madison | main author of the US Constitution; President during War of 1812 |
| Napoleon Bonaparte | world conqueror who had land holdings in LA |
| Tail of Tears | the forcible removal of Cherokee Indians to Oklahoma (due to the Indian Removal Act) |
| Thomas Jefferson | President at the time of the LA Purchase |
| Texas War for Independence | War fought between Mexico and Texas settlers, included battles such as the Alamo and San Jacinto; created the motto "The Lone Star State" |
| Aaron Burr | a vice president that tried to overthrow the government of the US multiple times |
| John C. Calhoun | Vice President from S. Carolina that supported state power with a tax the North imposed on the South in 1828 (Civil War brewing) |
| Mexican Cession | ended with the treaty of Guadelupe Hildago giving us CA, AZ, UT, and parts of other states |
| Monroe Doctrine | told Europeon countries that any future colonization of the Western Hemisphere would result in America going to war to stop it |
| Gadsden Purchase | finished off buying the properties in AZ and NM (so a railroad would be built all on U.S. soil) |
| Barbary Pirates | first official war of the US when these high seas bandits stole from US trading vessels |
| Treaty of Ghent | ended the War of 1812 6 weeks BEFORE the Battle of New Orleans took place |
| Robert Livingston | an American negotiator in the LA Purchase |
| Lewis and Clark | hired by President Jefferson to explore the LA Purchase territory to see what America had bought |
| Panic of 1837 | stock market crash that ruined many businesses |
| Oregon Territory | area of land that belonged to Britain in the northwestern corner of the country |
| Spoils System (Kitchen Cabinet) | the idea that the President's friends could be employed in his "board of advisors" as long as they agreed with him (Andrew Jackson) |
| Old World | Europe, Africa, and Asia |
| New World | North and South America, Australia |
| Oregon Trail | popular route for settlers/pioneers moving to the northwest corner of the country |
| Cumberland Gap | a place in the Appalaichian Mountains where it was easiest for travelers to pass through |
| Wilderness Trail | the most popular route for settlers/pioneers traveling to the west |
| Alexander Hamilton | persuaded an elector to vote for Thomas Jefferson to win the election of 1800, so Aaron Burr killed him in a duel in 1804 |