Complex sentence: As of 1863, Malm started to expand the fleet of sailing ships which had been severely reduced as a consequence of the Crimean War, and at its peak in 1874, it consisted of 8 ships.
Split into simpler sentences: As of 1863, Malm started to expand the fleet of sailing ships which had been severely reduced as a consequence of the Crimean War. At its peak in 1874, it consisted of 8 ships.