VW devastating consequences for American Society + confidence of US in managing international relations domestic self doubt created international decline in American prestige.

Impact of Vietnam War on US Foreign PolicyDescription
Bankrupt IdeologyCampaign against communist portrayed by US as a moral crusade.

However Vietnam war demonstrated that ideology of West was not morally superior.

atrocities committed by US soldiers + use of chemical weapons had damaged its reputation
Failure of ContainmentUS failed to enact containment in SEA despite military strength.

as feared by proponents of the domino theory, after fall of SV Laos, Cambodia also turned communist
Weakening of US PresidencyUS congress traditionally supported the presidents in their conduct of foreign policy

however towards end of VW congress exercised greater oversight of presidential actions.

for instance Congress forbade US military aid to Cambodia in 1970.

in 1973 it introduced war powers act limiting ability of president to go to war

Impact on SEA Within SEA inability of US to win Vietnam war + contain communism in Vietnam stoked fears of spread of communism.

  • fear contributed to formation of association of southeast Asian nations (ASEAN) in 1967 amid the Vietnam war
  • ASEAN also declared SEA as zone of peace, friendship, neutrality in 1971 with goal of keeping ASEAN free from the interference of any outside powers