Complex sentence: On 18 August, the chief of the "Admiralstab", Admiral Henning von Holtzendorff, issued orders suspending the first offensive in response to American demands after German submarines had sunk the Cunard Line steamer in May 1915 and other high profile sinkings in August and September.
Split into simpler sentences: On 18 August, the chief of the "Admiralstab", Admiral Henning von Holtzendorff, issued orders suspending the first offensive. This was in response to American demands after German submarines had sunk the Cunard Line steamer in May 1915, along with other high profile sinkings in August and September.