| A | B |
| Louisiana Purchase | agreement in 1803 in which the United States purchased Louisiana from France for $15 million |
| Neutral ground | an area that was subject to a boundary dispute between the United States and Spain after the Louisiana Purchase |
| Adams-Onis Treaty | treaty signed by the United States and Spain in 1819 that set the boundary between their territories |
| Filibusters | military adventurers who came to Texas from the United States in the early 1800s |
| Republican Army of the North | private army raised by Jose Bernardo Gutierrez de Lara and Augustus William Magee to fight for Mexican independence from Spain |
| Jacales | small, one-room huts made of sticks and mud |
| Financial panic | economic crisis |
| Depression | period of low economic activity |
| Panic of 1819 | economic crisis in 1819 in the United States that led to the failure of many banks and a depression |
| Cotton gins | devices that separate cotton fibers from seeds |
| Land titles | legal documents proving land ownership |
| Militia | citizen army |