How did congress respond to the threats of violence and terror against black people in the South?

What is the main social system that existed in ancient china?

Did the both the us and ussr have atomic weapons after 1949

Plz which of the following statements is the best definition of a blockade? a. a blockade is a group of soldiers recruited from a foreign country who serve for the money. b. a block it is a military tactic in which one army moves into place to face another army. c. a blockade is a wooden fence built to defend a colonial settlement. d. blockage is the shutting off of a port by ships to keep people or supplies from moving in or out.