The reason why it is <span>so difficult for the united states to reject the demands of joseph stalin for establishing a soviet sphere in eastern europe was: </span><span>Roosevelt realized the sacrifices the Soviets had made in their victory in the eastern front
Before the cold war, United States and the Soviet Union were under the same coalition to defeat Hitler and his forces. The Soviet union has proven themselves to be a reliable ally by stopping the majority of Hitler's movement in Eastern Europe. Because of this, United States fell inclined to gain favors made by the soviet union, including the demand for soviet sphere.</span>
A bit more info: Cold War tensions between the U.S. and the Soviet Union from 1967 to 1979. The era was a time of increased trade and cooperation with the Soviet Union and the signing of the Strategic Arms Limitation Talks (SALT) treaties
The end of the European Renaissance is usually considered the beginning of the "Early Modern Period", which was an especially fruitful time since it contained the Age of Exploration and Enlightenment.
