Identify the leader of Italy, which joined forces with Hitler.

Benito Mussolini

Explanation:

Benito Mussolini created the Fascist Party in Italy in 1919, making him a dictator and In 1936, Mussolini joined Adolf Hitler in his support of Francisco Franco's Nationalist forces in the Spanish Civil War, then signing of a treaty of cooperation in foreign policy between Italy and Nazi Germany in 1937.

HUG?

Mussolini

Explanation:

with Adolf Hitler during World War II, relying on the German dictator to prop up his leadership. Mussolini was executed by firing squad shortly after the German surrender in Italy in 1945