Why was Mexico angry about Texas?
Why was Mexico angry about Texas? Mexicans had overthrown the Spanish and wanted to prove they were capable of running all the territory they had won from Spain. Mexico also feared a domino effect—that giving up Texas would lead to the loss of their other northern territories.
Who owned Texas before the US?
Summary. Colonized in the eighteenth century by the Spanish, the Republic of Texas declared its independence from Mexico on March 2, 1836. The Republic of Texas was not recognized by the United States until a year later in 1837.