This is pretty simplistic. If someone does research in a typical library in the US, he will probably end up thinking like that. Most mainstream information in the US is to keep people thinking inside the box. People who do research outside of the US will come to an entirely different conclusion.

ApolloHoax.net - The Lying American Press

I haven't been in the US since 95 but books like these two would never have been found in any library I'd visited up until then.

Amazon.com: The Washington Connection and Third World Fascism (The Political Economy of Human Rights - Volume I): Noam Chomsky,Edward Herman: Books

Amazon.com: Killing Hope: U.S. Military and CIA Interventions Since World War II-Updated Through 2003: William Blum: Books

As I said before there is propaganda on both sides so it's hard to figure out what the truth really is if you weren't there watching it. I try to find sources of information that are consistent with what people from the places discussed say.

This site has never failed me.

An alternative view to the mainstream media, Human rights; Social and economic justice; Foreign policy; Corporations; Media control, Travel in Africa, Asia and Latin America

Enter "Che", or "Cuba" in this search engine.
ht://Dig WWW Search

I think the articles will be pretty objective.

Be more specific about your sources. Were they all from libraries in the US?