Answer:
Lenin believed Stalin had "concentrated enormous power in his hands" and was not sure "he always knows how to use that power with sufficient caution"
Answer:
This would impact the Christian Circle because people wouldn't know whether they could trust them or not.
Explanation:
Answer:
The Cold War between the U.S. and Soviet Union originated from postwar disagreements, conflicting ideologies, and fears of expansionism. At both the Yalta Conference and Potsdam Conference, U.S. and Soviet leaders sharply disagreed over the future of the post-war world.

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The Cold War | Boundless US History
got it from ^
The correct answer is a. evolution.
Darwin was the scientist behind the theory of natural selection, one of the main mechanisms behind evolution (next to sexual selection).
Natural selection? Social Darwinism? for who humans or animals?