Although not officially referred to as chief: It is likely Metacom or Metacomet (King Philip). He famously pushed back European colonists out of New England (King Philip's War).
Humans!
Recent scientific evidence suggests that during the starving time, the residents of the Jamestown Colony resorted to cannibalism, that is, the eating of dead humans.
Eventually, the growing of tobacco took and Jamestown was able to take hold as a successful colony but during the starving time, Jamestown went from 500 colonists to 60.
B, there was fear and mistrust between the Western Allies and the Soviet Union because the Soviets were an influential and expanding communist power
B. Factory jobs were plentiful and available in the cities
Have you came up with an answer? From what I know it is the cash and carry policy allowing trade with Europe