The Mexican-American War started when a few Mexicans
a few Americans.

Give an answer to the blank

Attacked

Explanation:

On April 25th, 1846, the Mexican cavalry attacked U.S. soldiers within the disputed zone, and killed roughly a dozen. They then laid siege to an American fort along the Rio Grande, where they they were later defeated at the battles of Palo Alto and Resaca de La Palma.  

i would say b probably

is this even a question? ? : /