I would say Hitler, realisticly. Winston Churchill did quite a lot, as well.
== ==
which country
d day was the main war in europe.
Emperor Showa was head of the Japanese military during the Second World War.
NewZealnd and Australia were the main countries that were involved
Mussolini
no
Europe and The Pacific.
japan and germany where the two main countries in ww2
because they are isolated from the main continent and were out of war.
London
g