Complex sentence: In Europe, Italy's Benito Mussolini sought to create a New Roman Empire based around the Mediterranean and invaded Albania in early 1939, at the start of the war, and later invaded Greece.
Split into simpler sentences: In Europe, Italy under Benito Mussolini sought to create a New Roman Empire based around the Mediterranean. It invaded Albania in early 1939, at the start of the war, and later invaded Greece.