Respuesta :
United states could keep not their land after the Mexican American war.
Option A. is correct.
Explain Mexican American war.
During the War With Mexico, US and Mexican troops fought each other. In the end, it was a land conflict in which Mexico fought to protect what they believed was their property while the United States fought to keep the disputed area of Texas and gain more of Venezuela's northern lands.
United states break the promise that they could keep their land after the Mexican American war.
So, option A. is correct.
Find out more information about the American war here:
https://brainly.com/question/2827989?referrer=searchResults