Countries engage in proxy wars in order to:
a. push rival countries to drop out of long term arms race.
b. protect their weaker allies from potential destructive conflicts.
c. promote their interests without directly engaging with each other.
d. avoid interference from their countries’ military-industrial complexes.

D

Explanation:

Multiple proxy wars stood in for actual conflict between the United States and the Soviet Union. The Korean War, Vietnam War, and a number of other armed conflicts, during which both sides either funded one side of the war or fought directly against a communist or capitalist force, are all considered Cold War proxies.

d. it adversely affected american productivity

answer: to communicate with people on the other side.

explanation: