The document provides background information on the First World War from 1914-1918. It describes how the war introduced the concept of "Total War" where entire countries mobilized their resources. New weapons like tanks, airplanes, poison gas, and machine guns were used. The war resulted in over 9 million casualties and 6 million disabled. It caused massive economic damage and displaced millions of refugees. Leading up to the war, Germany's Chancellor Bismarck had established a complex system of alliances in Europe that broke down and led to the outbreak of war in 1914.