The Arbalète sauterelle type A allowed bombs to be thrown into trenches beginning what was called what?
Trench warfare Trench warfare is a type of land warfare using occupied fighting lines consisting largely of trenches, in which troops are significantly protected from the enemy's small arms fire and are substantially sheltered from artillery. The most famous use of trench warfare is the Western Front in World War I. It has become a byword for stalemate, attrition, sieges and futility in conflict.
Seferberlik Safarbarlik, also written Safarberlik, Seferberlik, Seferbarlik, (Arabic سفربرلك) is the conscription practice used during the wars that the Ottoman government entered during the later phases of the Ottoman Empire during the early 20th century: the Balkan war in 1912-1913 and World War I from 1914-1918.