Answer:
I believe the answer is C, Olmec.
Explanation:
Well I don’t think it will effect the us unless they try to cause warfare or there trying to make a new weapon but my predictions are depending if it’s a problem for the United States nothing should happen
D. A transfer of foods between Europe and the Americas
Because, predominantly in the agricultural Western region of the United States, the demand for cheap labor was extremely high at the time. The source of this cheap labor were Mexican immigrants.