 Complete the following phrase:  Charlotte was the last sailing ship of the German navy; she was authorized at the same time as Nixe, and like Nixe, she had little value as a warship. The sailing rig was retained in large part because the navy intended to use the ship for training and it still regarded sail training as important for ship crews. Charlotte was essentially a repeat of the Bismarck design, with a slightly greater displacement and heavier armament. Though Charlotte spent her career as a training ship, she was involved in international incidents while abroad, most notably the Lüders affair in Haiti in 1897 and the 