Sniper, there's a search engine called Google, use it.
And like Unknown said, we trained them, we equiped them... During the Afganistani/Sovietic War, we messed up big time.
Yea, I know in the roots, that communism isn't "bad", but their understanding in social economics destroys basically everything in your budget, its just mass spending on welfare projects, while deriving from an income from nowhere. Communism doesn't tax their citizens, which in a way its good for its people, but not for the nation.
Capitalism works, look at USA, their budget is unmatched, and will be unmatched, for Decades. Until China becomes a Capitalist nation also. Then we will probably beaten by them.