Answer: The main goal of the US foreign policy during the presidency of Ronald Reagan (1981–1989) was winning the Cold War and the rollback of communism—which was achieved in the Revolutions of 1989 in Eastern Europe during 1989; in the German reunification in 1990; and in the Dissolution of the Soviet Union in 1991.
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Change champions are individuals within an organization that volunteer or are selected to facilitate change. The champion is an active member within the change management project during all of its stages (Thompson, Estabrooks & Degner, 2004).
In 13 short years Alexander conquered a mere 3,000 miles which stretched from Greece, through the Middle East, and to Central Asia and the Indian subcontinent.