Acts that what I am guessing
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.

https://courses.lumenlearning.com › ...
The Cold War | Boundless US History
got it from ^
