ten countries
192 countries disapeared
None. World War 2 ended in 1945.
There is no strict definition for how many countries must be involved for a conflict to be classified as a world war. Generally, a world war involves multiple nations across different continents, significantly affecting global politics and society. The term "world war" is typically used when major powers are engaged in large-scale military conflicts, as seen in World War I and World War II. Ultimately, the scale and impact of the conflict are more important than the exact number of countries involved.
Because of the weapons that they were using.
How many countries took part in the world war two?
25
ten countries
because it affected many countries because it affected many countries
2
9
192 countries disapeared
World War one was the first great war. It was the biggest war the world had seen and involved many countries.
No countries ruled Berlin after world war 2
Because in both world wars, the world was literally at war, meaning that many major countries of the world are at war.
many countries around the world
2 countries, Switzerland, Netherlands