Mexico has been involved in numerous different military conflicts over the years, with most being civil/internal wars.
The United States bombed Japan and a massive amounts of lives were lost. Soon after Japan surrendered to the United States. The answer is B.
Taxation, the wrongful treatmen of his people, also he would not let them expand across the whole U.S. He also did not pass laws they asked for and he put harsh taxes on the colonists.
Just copy it