Many reasons contributed to the start of World War 1. These include the assassination if the archduke of Austria-Hungary Franz Ferdinand and his wife Sophie. Empires and alliances were another factor along with militarism, nationalism, and crises.
The US did enter World War 1, though not till 1917.
To end the war and to collapse Japan's means to make war.
the main reason for World War 1 starting is tensions between the major countries of Europe(Britain,France,Russia,Germany and Austria-Hungary)
No good enough reason to go to war, besides it would have most likely caused WW3, the last thing the world needed.
the destruction and bitterness left behind by world war 1
No, but the First World War is the reason why Finland seceded from Russia.
you mum was the reason
The only reason there is war because of greed
War can be about many things but the main reason for war is money, religion, and other political problems in the economy.
To end the war and to collapse Japan's means to make war.
To help support the war effort.
No. It is likely the USA would have gone to war with Japan but it may not have turned into a world war.
That was the reason and it did put and end to the war.
Germany wanted world domination.
In World War I, USA helped Britain in the war however they joined in the war 1917 and didn't involve a lot that was part of the reason why they didn't want to punish Germany after World War I. They helped by supplying troops and armies.
yes
People supported World War 1 for various reasons, the majority reason was that Germany was getting out of hand.