" Zasloff and Donnell said that in their POW interviews they had learned that very few fighters understood what communism meant, what it stood for. Hardly any of the Vietcong had even heard of Karl Marx. It was a fact that the Vietcong had patrons among the Chinese communists and that the same patrons had been helping the North Vietnamese, giving them weapons and teaching war-fighting techniques. But what the local people were after was independence. "

― Annie Jacobsen , The Pentagon's Brain: An Uncensored History of DARPA, America's Top-Secret Military Research Agency