the answr is C. the flight of former slaves from the south
The reason why northern cities saw in increase in population after the american civil war was: the flight of former slaves from the south
Following the american civil war, people in southern states still treated the ex-slaves that freed by abraham lincoln very poorly. To escape this treatment, the former slaves decided to flight to the northern states in hope for better societal treatment and job opportunities.
The first slaves were brought to Jamestown in the Virginia colony in 1619. Slaves were brought to work in the tobacco fields.
Answer:
S= Roosevelt
O= Roosevelt to a Joint Session of the U.S. Congress
A= congress
P= to inform and to persuade
S= the joint session
Explanation: