Answer: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.
I believe A but double check!
Answer: b
Explanation: :) just took the test
