Answer:
-urban areas
Explanation:
Assuming that we are speaking about the Great Migration of the United States, which is the period, from 1916 to 1970, when a large number of African Americans migrated from the South, to the North.
The migrated to the North searching manufacturing jobs in the industrial cities: Chicago, Detroit, New York, Philadelphia, Buffalo, etc.
Thus, the answer would be urban areas.
As the legions blazed a trail through Europe, the Romans built new highways to link captured cities with Rome and establish them as colonies. These routes ensured that the Roman military could out-pace and out-maneuver its enemies, but they also aided in the everyday maintenance of the Empire.
The answer should be E. Cotton.
Hope this Helps! :)