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.
<span>uninhabitable deserts. It is the most frequently crossed international boundary in the world, with approximately 350 million legal crossings being made annually.</span>
This is true. The boxers were not very happy.