Events leading up to the Mexican war?

Answer 1

Mexico gave the us land to "borrow" and the us wanted to keep the land so when mexico came to retrive the land we sent the us military over and we ran in to the mexican military and we started fighting. we won(obviously) so we declared it Texas

Answer 2

The most provocative was the Annexation of Texas.

Mexico had given through diplomatic channels a warning that such action would be considered an Act of War. The US called their bluff and annexed Texas and Mexico broke off diplomatic relations but failed to declare a State of War.

Answer 3

President Polk on the mexican side declared war to take over the americans.So they had war to fight over who got America.

Answer 4

This is called the Mexican American War.