How did the sharecropping system of labor assist southern whites in reasserting control over black labor?

Which of the following most accurately describes china today

What does the term “escalation” refer to?

How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.