A lot of money was wasted. Several million people were killed or wounded.
The Cold War; the rivalry between capitalist America and communist Russia.
World War I changed the alliance system in Europe and had grave mental, economic, and political consequences for Germany that contributed to Hitler's rise to power.
World War 2
they al died
they al died
World War 2
World War 2
World War 2 caused sustained economic growth.
The Allies won.
death, less money
Near bankruptcy
World War 2 and an economic depression.