When no weapons of mass destruction were found following the U.S.invasion of Iraq,some Americans revised their memories of the main rationale for going to war.This suggests that we can best explain why people changed their memories in terms of

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Cognitive dissonance theory suggests that when people's beliefs or actions are inconsistent, they experience mental discomfort or dissonance. In this case, the lack of weapons of mass destruction in Iraq created a discrepancy between the U.S. government's stated rationale for the war and the actual outcome. To reduce this dissonance, people may revise their memories or beliefs about why they supported the war in the first place.

When No Weapons of Mass Destruction Were Found Following the U.S.invasion