| A | B |
| Manifest Destiny | was used by Americans to justify westward expansion |
| Impressments, British inciting Indian attacks, respect American Neutrality | the 3 causes of the War of 1812 |
| Louisiana Purchase | important because it DOUBLED the size of the US |
| New Orleans & Mississippi River | were major reasons to purchased Louisiana Territory |
| Lewis & Clark | were sent by Thomas Jefferson on an expedition to explore the west |
| Erie Canal | connected New York City with the Great Lakes |
| Monroe Doctrine | limited European influence in the western hemisphere |
| California | 1800's people were attracted to search for gold |
| Trail of Tears | result of President Jackson's effort to move Indians to western lands |
| Homestead Act | attempted to promote the development of the west by providing free land to settlers |
| "Spoils System" | President Andrew Jackson rewarding supporters with jobs, for loyal political party supporters |
| Indian Removal Act | forced many Cherokee to move west of the Mississippi |