How did the roman empire differ from the roman republic?

The Roman Republic is said to have lasted from 509 BCE to 27 BCE. The republic was a system based on representation for the people of Rome. At the head of the republic were two consuls. ... The Senate was composed of Roman citizens who were responsible for advising both judges and the Roman people.

the answer is title i subtitle b

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.