Answer:
The advantages that the United States had were that it was wealthier, larger, and more populous than Mexico. America also had industries to supply it with arms and ammunition as well as a larger and better navy and more advanced artillery.
Answer: C
Explanation: just took the test
Answer B best describes it
Answer:
Mexico was first populated more than 13000 years ago before the Spanish conquered and colonized the country in the 16th century.
If I remember correctly the opium wars resulted in china being figuratively split up by european powers. So, I'd go with 4.