Answer: There was continued diffusion of crops and pathogens throughout the Eastern hemisphere along the trade routes.
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Answer:
They grew crops that didn't need much water and some framers used windmills to get water from underground.
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TBH all three
Explanation:
Political because of Jim crow and slavery there is a lack of representation in the government.
Ethnic because like gordonj4 said the black people are constantly being treated unfairly
Economic because majority black neighbors are often underfunded, over policed, and have worse schools compared to mostly white neighborhoods
Answer:Only the second wave was motivated by a need for natural resources for industrialization
