because Japan attacked America causing America to enter world war 2 and i caused a global war because America created the first nuke
The Franco-Prussian War was not directly related to the entry of the US into World War I.
do you mean what caused us entry into world war one? if so then the sinking of the USS Lusitania by German u-boats was what caused American entry into the war
isolationism
America was a late and reluctant entrant into the Great War. It was thrust into WW-II by the Japanese attack on Pearl Harbor.
nerd
WW II became a global war because it was started by nations that had global ambitions; if you try to take over the whole world, you will have a global war.
Britain, France, Soviet Union (Russia) were at war in EUROPE from '39 to '41, before the war became GLOBAL with the entry of the US in December 1941.
The Franco-Prussian War was not directly related to the entry of the US into World War I.
The war in Europe began in September 1939, when Germany invaded Poland. The war became global upon the United State's entry into the war when Japan attacked Pearl Harbor on December 7, 1941.
do you mean what caused us entry into world war one? if so then the sinking of the USS Lusitania by German u-boats was what caused American entry into the war
None
world 2 war
ugly
It was the first war of global scope.
The submarine.
The First World War - 2003 Global War 1-3 was released on: USA: 4 October 2003
Because the whole world was basically in the war