The GDP is NOT a good measure of the prosperity of the average person because the GDP does not consider the size of the population when calculated on a annual basis.
The US started making hydrogen bombs when the USSR succeeded in creating an atomic bomb. The United States used to have the largest bomb, but when the USSR surpassed them, the US decided to create a better bomb (theorized to be hundreds of times larger than any nuclear bomb ever made).
Answer:
C: a smaller political unit within an empire
The owners of 20 or more slaves didn't have to enlist for the draft.