The regions are dolphins cool
The use of local languages in medieval literature was most revolutionary because it "reached a wider audience of people," since more people could understand it.
Islam spread through military conquest, trade, pilgrimage, and missionaries.
Answer:
The reason that the wartime alliance between the United States and the Soviet Union unraveled is because the United States was against communism but the Stalin wasn't. All of the land occupied by the Soviet Red Army were controlled by communism and Stalin wanted to spread this into Western Europe and West Berlin.
Explanation: