It's Italy, WW2 was the United Nations versus Germany, Italy and Japan.
"<span>The </span>Allies of World War II<span>, called the </span>United Nations<span> from the </span>1 January 1942 declaration<span>, were the countries that together opposed the </span>Axis powers<span> during the </span>Second World War<span> (1939–1945). The Allies promoted the alliance as seeking to stop German, Japanese and Italian aggression." Wikipedia</span>