I think A but I`m not a hundred % sure. :)
It froze Japans financial assets, we didnt want to interfere majorly because we were still in the middle of the depression. We didn't bomb Hiroshima until the bombing of Pearl Harbor (god bless the fallen troops) thats when we declared war against them and the first troops were sent in.
Answer:
The natives knew war, but their tactics were sophomoric and based on their religious beliefs. They would not fight to kill but to capture. After capturing the army they would sacrifice them to their gods. These tactics were ignorant and allowed the Spanish to easily crush them.
Explanation: