There are a lot of causes:
The proper noun forms for the first world war is World War 1, World War I, or World War One.
NO one cause there was no world war 4
The Saar did not cause World War 2. It was returned peacefully to Germany after a plebiscite (referendum) in 1935.
cause: more than 10 countries to be at war Effect: U.s. is feared around the world
the Moroccan king was killed and everything turned into a big mess
The First World War was caused by a man in Germany getting shot. The Second World War was caused by Hitler not liking the Treaty of Versail.
no the world war 1 did not cause the gulf war.
The assassination of Archduke Franz Ferdinand
The immediate cause of the first revolution in March 1917 was the disastrous impact of the First World War.
The cold war was.
WWI was a major cause of the Great Depression.
The important cause of world war 1 was the gverment and the need for power the germans had and the bad goverment
What the hell are you smoking?!?!?!?!
world war = the whole world...
It was Arch Duke Franz Ferdinand , his assassination lead to the first world war.
It was the main cause
World War One.