During the Cold war, there was a big fear of a possible nuclear attack from the Soviet Union, so when the US wanted to increase its spending on defense, it argued for it by saying that it needed to have better weapons to be able to prevent a possible attack.
B. Land rights could either be inherited or earned through war.
I think that the answer is deficit spending
Basically the reason why Vietnam won because the Vietnamese wanted to win more than the Americans did. There were a couple of reasons for this. First, the Americans were an invading force, and the Vietnamese were fighting on their own soil. Second, the Americans were not willing to make an all-out commitment to win.