yes
the united states entered the war late on both world war 1 and world war 2 they involved most of the same countries they both affected the world greatly they both involved many countries the allied powers won both
Which war? Probably because so many countries were involved and waging war at the same time for various and/or related reasons.
The Allies and the Entente.
There were not only two countries.
World War I was also called 'The Great War'. It was given that name because it involved all of the world's great powers or most influential and important countries.
Because most of the major countries of the world were involved in the fighting.
Switzerland, Turkey, Portugal, Sweden, and Spain were neutral countries in World War 2.
Most Asian countries were involved in World War 2
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