The byzantine empire lost Rome. Rome was claimed by the byzantines in the 6th century and in the 6th century was given to the papacy as the major seat and capitol of the papal state
The Truman Doctrine was an American foreign policy to stop Soviet imperialism during the Cold War. It was announced to Congress by President Harry S. Truman on March 12, 1947 when he pledged to contain Soviet threats to Greece and Turkey.
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Te proclamation of 1763 by the British parliament was aimed to create a separating line between the Native Americans and white settlers and Appalachian Mountain was set as the separating line. They called all the white settlers west of the mountain to move East and to pay for the war debt of the French and Indian war. These efforts to tighten their control on the white settlers and to tax them for the war dept resulted in the resentment of the colonists and later for revolution.
President Kennedy visited the city of Berlin to boost the Germans morale and faith in democracy and to have a speech about "how bad communism was"
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