In 1845, the Republic of Texas was annexed by the United States. This, I believed to be the primary cause of the war. The problem was that Mexico was opposed to annexation, holding firm that Texas was still part of their territory, even though the Texans had fought and won their independence, ten years prior and had been officially acknowledged as a sovereign nation by the United States, Great Britain, and France. …show more content…
Under the instruction of General Zachary Taylor, U.S. troops were positioned on the north bank of the Rio Grande, after Mexican President Mariano Paredes declined to compromise with the United States and threatened to invade Texas.
During the U.S. - Mexican war some Whig politicians said the cause had been masterminded by the "Southern Slavocracy" as a sinister plot to extend slavery. Even though no evidence exists to support this claim, past or present, this view has been maintained by a few historians, whereas some historians blame the United States for the war. I feel that the claims that the U.S. - Mexican war and annexation of Texas were caused because they wanted to expand slavery is amusing, taking into account, that men from free states such as Illinois, Indiana, Ohio, and New York , volunteered for service in the war by