Rather Than Natural Areas Emerging Out of Processes of Invasion

Rather than natural areas emerging out of processes of invasion and succession, as the human ecologists hypothesized, research demonstrated that the creation and development of segregated Black urban communities…

A) was due to an informal policy of realtors and mortgage bankers that the government fought and opposed for many years.
B) was due to a government-sponsored policy.
C) was a result of policies developed by the real estate industry without the knowledge or approval of the federal government.
D) ended before World War II.