| A | B |
| Sam Houston | He tricked the U.S.into annexing TX by pretending to become an ally of Britain |
| 1845 | Year Texas was admitted to the Union |
| Rio Grande River | Boundry line Texas claimed as her border |
| Nueces River | Boundry line of Texas which Mexico recognized |
| U.S.&G.B. compromise | Agreed that Oregon would be divided at latitude 49*N. |
| Oregon Territory | Later made into 3 states: Oregon, Wash. and Idaho |
| $30 million | Offer made by Polk to Mexico for CA and NM. Mex. refused offer |
| General Zachary Taylor | Ordered to set up posts on Rio Grande River |
| April 1846 Mexican War begins | Mex. troops cross Rio Grande and fight Taylor's troops |
| Battle of Buena Vista | Taylor defeats Santa Anna in Feb. 1847 |
| General Winfield Scott | Landed American troops in Mex. port of Veracruz |
| General Stephen Kearny | His American troops captured Santa Fe and later S. California |
| John Fremont | Led a band of frontiersmens to help gain CA independence |
| Bear Flag Republic | New name for California |
| Chapultepec | American victory. Mexicans fought to the last man as the men at the Alamo had done |
| Treaty of Guadalupe Hidalgo | Mex. gives CA and NM to the U.S. for $15 million |
| ceded | to give |
| Mexican Cession | Lands of CA and NM given to the U.S. |
| Gadsden Purchase | $10 million to Mex. for a strip of land in present day AZ and NM |
| U.S. kept Mexican Law | husband and wife own property together |