Did the Americans start the Mexican American War?

Answer 1

Because Mexican and American troops patrolling in the disputed Nueces Strip bumped into each other and shots were fired. As it often happens when weapons are discharged in close proximity to people, someone is bound to get hurt. In what has come to be known as the Thornton Affair, that is what happened. Men died and the US had the casus belli for Congress to declare War.

Answer 2

In the contested Nueces Strip where a US Cavalry patrol stumbled into a Mexican Army encampment. Shots were fired and men died. It is known as the Thornton Affair and it became the casus belli for the Congress to declare war.

Answer 3

The us was patrolling the boarder and there was a fight

Answer 4

Possibly, since the troops were placed in harms way, something was bound to happen.

Answer 5

They declared war first.