Answer :
Answer:
A is the answer. I just did this on the quiz. Plz mark brainliest
Explanation:

The land act, 1851 required Mexican American's in Texas living in the United States to prove that they owned their land. Thus, option A is correct.
What is land act 1851?
Under land act of 1851 a significant land was taken by Americans where the land was assigned to them with the U.S. citizenship which resulted in making of a three-tier public land commission.
After the end of Mexican American war which continued for two years, the Mexican American people have to prove that they owned the land on which they are living.
The main impact of the war was on the Mexican Americans, as they need to verify that they own the land which comes under United States territory. Therefore, C is the correct option.
Learn more about land act 1851 here:
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