The answer is: C. Mexico refused to discuss the matter.
U.S. president James K. Polk intended to purchase the Mexican states of California and New Mexico for thirty million dollars. Nevertheless, Mexico refused to receive diplomat John Slidell and consider his offer, which led to the Mexican-American war in 1846. Finally, the next year the armed conflict resulted in the U.S. control of New Mexico and California.
A and C can work and D is partially true I would go with a or d tho
Answer:
Fort Supply troops killed approximately 103 Cheyenne men, women, and children
Explanation:
I hope this was any help i couldn't find the exact answer.