better weapons were invented so the tables turned for who possessed the better weapons
It developed over time by starting world war 2
the war took 20 year before if ended
Fashion changes all the time regardless of war .
1916, During World War I.
The 1920's was a decade between the First World War, and the Second World War. During this time of economic growth and expenditure, previous to The Great Depression, War Time Rationing did not exist.
The Great War was, at the time, unique. When the next war started, the names World War One and World War Two were used because World War One was no longer a one-of-a-kind huge multinational war.
It was said at the time that 'it will all be over by Christmas'.
May 1945 in Europe, September 1945 in the rest of the world.
At the time it was going on, it was called "The Great War" and "The War to End All Wars". Loosely, after it was over, it was sometimes called "The World War". Once World War II began, it automatically became "World War I".
It became see as a World Power for the first time.
Albert 2 : Albert was a king in Belgium at the time world war 2 was going on
They made a law that prevents talented intellectuals from being enlisted during war time.