Can someone please explain what a communist is? I keep getting confused someone tell me simply (for my own knowledge)

President reagan believed the spread of communism in latin america was directly due to? a. guerrilla fighters. b. contras. c. terrorists. d. leftists.

Jackson pollock described his art style in the following quote: “new needs need new techniques.… it seems to me that the modern painter cannot express this age, the airplane, the atom bomb, the radio, in the old forms of the renaissance or of any other past culture. each age finds its own technique.” what point is pollock making about the new styles of art?

Why was there conflict in bosnia? a) bosnian serbs opposed independence. b) kosovar albanians had started a rebellion. c) nato forces could not restore order. d) serbia broke its alliance with bosnia.