Résumé:
The present paper discusses the American foreign policy after the Cold War, witha
particular interest to the forty –third American president George W.Bush, his
administration, policy, and political decisions during his two terms. After the dissolution of
the Soviet Union in 1991 that ended the Cold War, the world was considered as a unipolar
world, with the United States as the only remaining superpower with no one to compete,
till the terrible event of the 9/11 which is ahistorical referencein changing the direction of
the American foreign policy,because the history of US foreign affairs is one of the most
debatable topics in the field of international relations and chiefly the George Bush
presidency. So this work is about the analysis of the president foreign affairs that earned
his name as “the Bush Doctrine “. This doctrine which is a new instrument of the
American political history after the Truman Doctrine of deterrence and containment, the
Bush Doctrine as preemption and prevention has resulted two major wars the invasion of
Afghanistan and the War onIraq, for this purpose the study searches whether this new
policy isconsidered as a legitimate or illegitimate.This dissertation objectively uses the
technique of qualitative research through using the descriptive analytical method , to
explain the historical events after the demise of the Soviet Union and the emergence of
America as a hegemonic power, through describing the different events that shaped the
period then analysing each one .