| A | B |
| Manifest Destiny | belief that the US should expand to the Pacific Ocean |
| War with Mexico | Tx declares war with Mexico in 1846 over boundaries |
| Treaty of Guadalupe Hidalgo | ends the war with Mexico in 1848 and established the Rio Grande as southern border |
| Mexican Cession | the transfer of land between Texas and the Pacific Ocean for $15mil to Tx. |
| Constitution of 1845 | outlined three branches of government |
| New Mexico | northwest state had citizens who refused to think of themselves as citizens of Texas. |
| Fugitive Slave Law | intended (suppose) to help in finding runaway slaves |
| Compromise of 1850 | established the present-day western border of Texas but gave up 40% of land for $10mil |