Which domestic shift most affected the demographic makeup of northern us cities in the early 1900s? select one of the options below as your a. migration of african americans from southern farms to northern factories b. influx of illegal immigrants from mexico and central america c. discovery of large coal deposits in some midwestern states d. us acquisition of puerto rico and the philippines after the spanish-american war e. us victory over mexico in the mexican-american war

The answer is A. Migration of African Americans from southern farms to northern factories

This event was dubbed as the Great Migration in the early 1970’s when there was a mass movement of the African American moving towards the northern cities in the US.

democracy

explanation:

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the colonists were also expected to pay a tax to meet the costs of establishing and manning the borders of the proclamation line which led to the belief that the king had sided with the indians despite pontiac's rebellion, against the interests of the settlers. this contributed to the causes of the american revolution.