Answer:
B. The Policy of Containment
Explanation:
Truman was worried that if Korea fell, the next country to fall would be Japan, which was very important for American trade. This was probably the most important reason for America's involvement in the war.
2 x 120
3 x 80
4 x 60
5 x 48
6 x 40
8 x 30
10 x 24
12 x 20
15 x 16
Narrow in scope, because it was written almost exclusively by white European males.
I believe that option C. Men spent time fishing, while women did all the farming makes most sense.
Hope I could help! :)