How did the Vietnam War lead to limited power for the U.S. president?(1 point) Responses The president was prevented from fighting in Cambodia. The president was prevented from fighting in Cambodia. Congress passed the War Powers Resolution to limit unchecked military action. Congress passed the War Powers Resolution to limit unchecked military action. The U.S. had to refrain from other proxy wars. The U.S. had to refrain from other proxy wars. The president could not act alone without UN support.