Answer:
D. African Americans moved to urban centers.
Explanation:
A. is wrong because there were no new laws Taft granted African Americansnew rights. The primary reason for migrating was because of segregation and racism.
B. is incorrect because the great migration was the movment of 6 million African Americans from the south rurals to the urban west, Midwest and northeast. (1916-1970s)
C. Incorrect, because Earl and Dr. MLK didn't critisize this migration and was with the ending of segregation