The Great Migration North includes all of the following EXCEPT
a. The escape from slavery via the Underground Railroad.
b. Millions of African Americans who traveled to Northern states in search for freedom and a better life.
c. An era that sewed the seeds for the civil rights movement of the 1950s and 1960s.
d. All the above.
e. The settlement of African Americans in large cities where many lived in poverty and faced racial discrimination.