Reasons for the Trenches –Bothe the Allies and the Central Powers realized they could stop an enemy attack by digging trenches Were a permanent feature.
Western Front- fortified line created after _____German__advance into France was halted. Between 1915 and 1917 a series of major offensives took place.
Imperialism. Paul Kennedy, The Rise and Fall of the Great Powers: Economic Change and Military Conflict from 1500 to 2000 (1987).
