The American involvement in the Vietnam War had profound and long-lasting impacts on U.S. society and foreign policy. It resulted in significant military and civilian casualties and sparked widespread anti-war protests across the country, leading to a deep societal rift. The war raised questions about U.S. government transparency and the validity of its foreign policy decisions. It also led to the War Powers Act of 1973, which aimed to limit presidential powers in military engagements. The Vietnam War ultimately influenced American military strategy and public perception of government integrity and involvement in foreign conflicts.