During the 1700s, North America's African population grew immensely. Which of the following most likely contributed to this trend?
-0)
A)
The Emancipation Proclamation
B)
The Declaration of Independence
o
The Middle Passage
D)
Great Britain's conquest of New York

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.