Skagerrak
Sea territory between Jutland and Norway, where a large battle with many losses was fought between the German and British navies at the end of May 1916.
Submarine war
Refers to battles in which submarines were used in order to sink enemy warships and cargo ships.
Sutlers
Dealers who accompanied the troops to war and supplied them with food, cigarettes and other goods.
Trench newspapers
Trench newspapers were produced by soldiers and for soldiers. At the beginning of the war the previously unknown trench newspapers were not subject to censorship.