Complex sentence: The result of the conflict largely ended Byzantine military power in the Mediterranean with the Italian cities of Venice and Genoa at first largely benefiting from the trade they began to dominate before competing with the rising power of the Turks.
Split into simpler sentences: The result of the conflict largely ended Byzantine military power in the Mediterranean. The Italian cities of Venice and Genoa at first largely benefited from the trade they began to dominate before competing with the rising power of the Turks.