England's medieval period begins with the
a. invasion of the anglo-saxons.
b. seeds of trilingual english.
c. introduction of chivalry.
d. invasion of the normans.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.