The cold war was a funny time. The US & USSR were locked in a life or death struggle over ideals, and no weapon was too extreme or too exotic. Anything that could demonstrate the superiority of Democracy over Communism was fair game, and the guys at the CIA were no dummies. What better way to show that America was home to all kinds of thought than by supporting arts that no one seemed to quite understand! Apparently, they used their influence, to the consternation of much of the rest of the government, by getting modern art into the public eye in any way necessary. But it seems they had as much resistance at home as they did from the Russians..
Read all about it here: