Which invention made large-scale slave labor much more profitable in the american south?

a.) mechanical reaper
b.) cotton gin
c.) steel plow
d.) grain elevator

One of the goulding principles of the nation is islam was a) gaining economic power for african americans. b) gaining religious freedom for african americans. c) living together in equal together with white people. d) using nonviolent resistance to gain equality.

Pls quickly! which of the following statements about spanish plantations is not accurate? a. spanish plantation screw sugarcane for export to spain. b. the spanish had a little concern for the lives of the indians who worked on the plantations. c. spanish presentation grew a wide variety of crops and sent the produce to many different european countries. d. to replace the native americans our dying off the spanish important african slaves.

Which foreign policy initiative countered the spread of soviet influence by restricting the spread of communism? a. roosevelt corollary b. truman doctrine c. nullification proclamation d. good neighbor policy