Empresario: In Mexican history, an empresario was a person who had been granted permission by the government to bring settlers into a particular area.
Texas Revolution: The Texas Revolution refers to the armed conflict between Texan colonists and Mexico from 1835 to 1836, resulting in the establishment of an independent Republic of Texas.
Annexation: Annexation refers to the process of incorporating one territory or region into another country or state. In this case, it pertains to the eventual incorporation of the Republic of Texas into the United States as a state.