Question

The historic movement of upper-class and Caucasian populations out of US inner cities has been nicknamed __________.

Answer 1

Answer:

white flight

Explanation:

This term was originated back in the 50s and 60s, it was applied to a very large migration of caucasian people, people of European ancestries that were leaving regions racially mixed looking for some areas that were more racially homogeneous, they were looking for more peaceful places to live after the racial conflict in the united states.

Answer 2

I think its 
B.
class migration