Complex sentence: In cooperation with the fleets of the Greek islands of Spectate and Para, Hydra's fleet succeeded in taking control of the Aegean Sea, preventing the Ottoman Empire from successfully deploying its fleet.
Split into simpler sentences: In cooperation with the fleets of the Greek islands of Spectate and Para, Hydra's fleet succeeded in taking control of the Aegean Sea. This prevented the Ottoman Empire from successfully deploying its fleet.