Which of the following best completes the diagram?

Responses
A

Crime, pollution, and overcrowding become prominent issues in cities.

StartFragment Crime, pollution, and overcrowding become prominent issues in cities.
B European immigration is discouraged by the U.S. Government.European immigration is discouraged by the U.S. Government.
C People began to move back to rural areas from urban areas.People began to move back to rural areas from urban areas.
D Wealth is distributed evenly among all people involved in manufacturing.

C People began to move back to rural areas from urban areas.