sentences:  Although none of the 75 US citizens aboard were killed, the incident enraged public opinion in the United States, and caused a heated diplomatic exchange between the US and German governments.In May 1916, Germany issued a declaration, the so-called Sussex pledge, which effectively represented the suspension of the "intensified" U-boat campaign.Between 1 and 3 January 1917, , , , , assisted in the salvage of "Sussex" after she struck a mine near the West Dyck shoal on her way to Dunkirk, each ship receiving a portion of the salvage money.