the reason was money and food
Well, WWI was originally called the war to end all wars, so the main thing it failed to resolve was the need for wars.
The two wars were the first and the second world wars.
World war 1 was the war to end all wars
War to end all wars
both wars
its war
World War 1
Yes world war 1 was suppose to put an end to all wars.
World War 1
World War 1, World War 2, and Korean War.
The Great War, or the War to end all Wars.
World War 1 + World War 2