Daniel Ellsberg (born April 7, 1931) is an American economist, activist and former United States military analyst and in 1971 when he released the papers popularly called the Pentagon paper which contains the actual date of The United States of America involvement in the Vietnam conflict, and clearly state that the Johnson Administration "systematically lied, not only to the public but also to Congress. The Papers also reveal that United States had expanded its war with the bombing of Cambodia and Laos, coastal raids on North Vietnam, and Marine Corps attacks, none of which had been reported by the American media. According to the Papers,it states that 1950 was the actual date of US involvement in Vietnam conflict
The My Lai massacre changed public perception of Vietnam drastically. Many people already thought it was an unjust war, and this added to that anti-war sentiment. When many veterans came home they were treated like trash, because everyone back home saw the terrible war crimes committed by the U.S. Many people called for an end to Vietnam after it.
Answer: Hitler went on to negotiate a nonaggression pact with the Soviet Union. The German-Soviet Pact of August 1939, which secretly stated that Poland was to be partitioned between the two powers, enabled Germany to attack Poland without the fear of Soviet intervention