Some 17 British shells hit the side armour of the German dreadnoughts or battlecruisers. The two "Colossus"-class battleships were the final members of the first generation of British dreadnoughts. I Dreadnoughts and Cruisers in both casemates and turrets. Many ships were scuttled and submarines and dreadnoughts were prohibited. Two dreadnoughts and one battlecruiser were to be built each year. Major naval powers raced to build their own dreadnoughts. Their slow speed hindered the more modern dreadnoughts of the High Seas Fleet. In January 1909 Austro-Hungarian admirals circulated a document calling for a fleet of four dreadnoughts. The torpedo-boat destroyer was developed at the same time as the dreadnoughts. The first US dreadnoughts were the two "South Carolina"-class ships. This sloped belt made their armor comparable to the found in the latest British dreadnoughts. Both countries faced difficulty in financing their own dreadnoughts. The were another pair of dreadnoughts built during World War I. They were still given a advantage over the standard of most foreign dreadnoughts. Displacement was limited to , which corresponded to contemporary foreign dreadnoughts.