| A | B |
| Louisiana Territory | land to west of Mississippi River |
| Sea to shining Sea | U.S east-west border after Manifest Destiny |
| Thomas Jefferson | President that purchased Louisiana Territory |
| Meriwether Lewis | Hired by president to explore newly purchased land |
| William Clark | helped Lewis during expedition of territory |
| Corps of Discovery | what expedition was named |
| Shoshone Indians | Native tribe that helped Lewis and Clark |
| Sacagawea | translator for Lewis and Clark |
| History and Fate | expedition of territory changed for U.S |
| Santa Fe Trail | Began in Independence, ended in Mexico |
| Oregon Trail | led to cheap and rich land |
| Texas Revolution | led to independence from Mexico |
| Tejano | a person of Spanish heritage that considered Texas their home |
| Stephen Austin | demanded his settlers be moral and work hard |
| The Alamo | most celebrated military engagement in Texas history |
| Manifest Destiny | heavily influenced American policy in 19th century |
| political and social | under Manifest Destiny the U.S would become a superpower |
| Mississippi River | Original western border of United States |
| James Polk | Manifest Destiny was his plan |
| southwest | land claimed from Mexico is now this region of U.S |
| California Gold Rush | became a world event in 19th century |
| James Marshall | made the largest gold find in history of the west |
| Indian Removal Act | Native Americans forced from land |
| Oklahoma | Native Americans given land in this state |
| Trail of Tears | jorney where 4000 Cheokees died |
| Seminole Tribe | Native Tribe originated in and refused to leave Florida |
| New Orleans | important port city at mouth of Mississippi River |
| Andrew Jackson | Initiated Indian Removal Act |
| France | sold Louisiana Territory to U.S |
| Louisiana Purchase | cost $15 million, doubled size of U.S |