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2. trench warfare-a type of armed combat in which the opposing troops fight from trenches that face each other; instead of the war ending quickly, it became bogged down in trench warfare. armed combat, combat-an engagement fought between two military forces. Translations.
In November, the continuous attempts to outmaneuver and outflank ended and both sides settled in for a long war based mostly on trench warfare (Michael Duffy November 4th 2012). World War 1 was a war that was fought in the trenches. The majority of battles fought during the war involved trench warfare, including the Battle of the Somme. In this battle, the British heavily bombarded the German army for a week straight. However, the bombardment did not even reach them and the front line trenches were not affected at all.