In 1931, the Japanese invaded Manchuria, and the League of Nations did nothing to halt the aggression.
I think it is A because New England had many trees to cut down so that was their main source and specialization of colonists in New England.
C. “Tourism” people aren’t really touring in the early civilizations. All the other answers are correlated with the spread of disease.
People from Asia crossed berengia, a land bridge going into North America, and followed herds of animals since they were hunter/gatherers.
