How did the population of Africans grow in the colonies during the 17th century?

These populations continued to grow at a rapid rate throughout the 18th century  made up as much as 80% of the population in Virginia in the 17th century.

hope this helped

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.

keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement