Well it couldn't be One country if it was a WORLD war. The allied Powers had "won" the war. Google it.
That's a two sided question. Do you mean who was responsible for WW2 for America? or for the whole world?
yes
Tsarist Russia in World War I and the Soviet Union in World War II.
No, the assassination of Archduke Ferdinand started the war.
Germany
Germany.
World War 2 : Japan.
USA
Germany
usa
Darwin Australia - that would be Japan during the second world war.
Usually, the government of the country is responsible for declaring war. In the United States of America, the Department of Defense is responsible for declaring wars.
Russia because of the Russian Revolution.
Germany had was the one country that was involved in World War l and World War ll
England and the US were allies in WWII against Germany's invasion of Europe and Africa.
No it was not.