Did the United States win or lose the Vietnam War? We are taught that it was a resounding loss for America, one that proves that intervening in the affairs of other nations is usually misguided. The truth is that our military won the war, but our politicians lost it. The Communists in North Vietnam actually signed a peace treaty, effectively surrendering. But the U.S. Congress didn't hold up its end of the bargain. In just five minutes, learn the truth about who really lost the Vietnam War.