Complex sentence: Eumelos became ruler of the Bosporan Kingdom, and re-took various colonies that had been lost in the generations before him, he successfully cleared the Black Sea of pirates, and gained much fame throughout the bosporus.
Split into simpler sentences: Eumelos became ruler of the Bosporan Kingdom, and re-took various colonies that had been lost in the generations before him. He successfully cleared the Black Sea of pirates and gained much fame throughout the Bosporus.