Which of the following forms a theory explaining the Great Atlantic Migration?

economic push factors in Europe resulting from crop failures economic push factors in Europe resulting from crop failures environmental pull factors in the U.S. held a desirable climate environmental pull factors in the U.S. held a desirable climate economic pull factors in Europe due to industrial growth economic pull factors in Europe due to industrial growth political push factors in Europe due to governmental instability

1 answer

All of the following factors contributed to the Great Atlantic Migration Theory:
1) Economic push factors in Europe resulting from crop failures.
2) Environmental pull factors in the U.S. due to its desirable climate.
3) Economic pull factors in Europe due to industrial growth.
4) Political push factors in Europe due to governmental instability.