Answer: its geography
Jared Diamond’s theory consists of his belief that geography had a crucial effect and a bigger influence in the world and their economies than any other factor like beliefs and government.
According to him, Europeans became accidental conquerors because of its geography.
A satellite is something that revolves another object, therefore Czech Rep., Germany (where I am living now btw), Austria, Hungary, and Poland were controlled by, or taken by the Soviet Union.
Hoped this helped :)
I think its becuse of his surrender but before u put it in see what other people say