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Causes Causes included the Texas Revolution and subsequent annexation of the Republic of Texas by the United States as well as border disputes. American expansionism played a role, the fact that...
Because the vast new territories, including California, sparked-off a fierce debate about the admission of new slave-states, which the South was demanding in order to maintain its voting power in...
Americans felt that because Mexico wast willing to sell Texas they had the right to provoke them to start a war by building a fort on disputed land that Mexicans believed was theirs. Mexicans knew...