Enslaved Africans were brought to the Southern colonies in large numbers in order to:
A. work as farm laborers on huge plantations,
B. build ships and equipment for port cities.
C. provide support for subsistence farmers.
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D. track and trap animals for their pelts.

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.