Which of these did not join the united states because of the mexican war?
a) utah
b) arizona
c) oklahoma
d) california

C)Oklahoma

Explanation:Oklahoma did not join the United States because of the Mexican War. Oklahoma joined the union in 1907; California, Utah, and Arizona were all once a part of Mexico. These states, along with Arizona, New Mexico, Nevada and part of Colorado, were purchased by the United States as a part of the treaty ending the Mexican War.

answer; /// i believe that the correct answer is( it left behind rich