Before world war II, communists in America: A. were very common.
B. participated in many civil rights and labor organizations.
C. did not exist.

b

Explanation:

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.

where is the diagram