Which of the Following Was an Important Consequence of the Mass

Which of the following was an important consequence of the mass migration of Chinese peasants from north to south?

A) Northern China experienced long years of economic depression and de-urbanization.
B) China's southern region underwent a rapid process of population growth and urbanization.
C) Large numbers of Chinese peasants died due to infections such as malaria.
D) China's southern region quickly declined due to over farming and a general strain on the environment.