Increasing immigration of American settlers into the territory.Mexico allows slaveholding U.S. settlers to live in and own landin Texas. Early settlers agree to adopt Mexican citizenship,convert to Catholicism, and speak Spanish; but many later settlers do not.
Mexico bans slavery and forbids settlement of Texas by Americans.
Settlers in Texas rebel against Mexican rule and declareindependence. Full-scale war breaks out. The Texans win victoryand declare themselves an independent country (The Republic ofTexas). Mexico does not recognize Texas independence or aboundary at the Rio Grande River.
Texas is recognized as an independent nation by the UnitedStates, Britain, France, and the Netherlands, but not by Mexico.
Texans vote to join the United States. Texas is annexed (takenover) by the United States and becomes the 28th state.