Complex sentence: The provisions of the Versailles Treaty restricted the German Navy to 15,000 men and no submarines, while the fleet was limited to six pre-dreadnought battleships, six cruisers, twelve destroyers, and twelve torpedo boats.
Split into simpler sentences: The provisions of the Versailles Treaty restricted the German Navy to 15,000 men and no submarines, while the fleet was limited to six pre-dreadnought battleships, six cruisers and 12 destroyers. Germany was only allowed six battleships, six cruisers, twelve destroyers, and twelve torpedo boats.