Well it was just WWII it has it in the name World war it involved everyone.(well everybody is affected in someway).
The Strategy used during both world wars is Total War
what happened in the early weeks of the war
WW1.... You answered that for yourself.
The mobilization of entire populations for war efforts.
nothing really
The Olympic games were cancelled during the wars
A world war happened. At the time, it was called 'The Great War' or 'The War To End All Wars'; but then came another world war so now we call it World War 1.
There were 2 world wars and the Korean War.
World War 1 happened first and World War 2 happened second.
There were two world wars. World War 1, aka the Great War, happened from 1914 to 1918. World War 2 happened from 1939 to 1945.
Wars have always happened somewhere in the world.
That is impossible to answer, as there have only been two world wars.
The World Wars happened in Europe and parts of North Africa.
XXth century: Balkanic war, World War I, World War II and many other wars during a long unfortunate history.
Romania during World War I happened in 1916-08.
The Strategy used during both world wars is Total War
Switzerland was neutral during both World Wars.