There only has to be one country because you could have a civil war which is a war inside a country itself.
123 countries involved in the war
The amount of battles does not make the war. The leaders of the countries, or maybe just one, must declare it a war. The "war" in Iraq, for example, involved many battles. Our two presidents during the time did not declare it a war, so it is still not considered a war.
The military rule is the form of government that many countries adopted after the war.
about 52 countries.
because it affected many countries because it affected many countries
300
Many new countries adopted a democratic form of government after the war.
how many countries make up the I.O.C
ten countries
How many countries took part in the world war two?
No countries ruled Berlin after world war 2
many countries did not help with the Korean War.