How many countries took part in the world war two?
ten countries
2 countries, Switzerland, Netherlands
No countries ruled Berlin after world war 2
None. World War 2 ended in 1945.
No, there have been many civil wars in various countries around the world, but World War 2 was not a civil war.
The sheer scale of World War 2 affected many countries.
3
5
9
16 countries
many countries around the world