Match the leader to his country.

Italy
Japan
Germany
Spain

There are many leaders and countries in the world, so it is important to clarify which specific leader and time period you are referring to. However, here are some examples of notable leaders from these countries:

Italy: Benito Mussolini, Silvio Berlusconi, Giuseppe Conte
Japan: Shinzo Abe, Yoshihide Suga, Naoto Kan
Germany: Adolf Hitler, Angela Merkel, Gerhard Schröder
Spain: Francisco Franco, Felipe VI, Pedro Sánchez

Please note that these are just a few examples, and there have been many other leaders in these countries throughout history.