(A) ** 1914-1918
(B) 1908-1912
(C) 1900-1904
(D) 1910-1914
EXPLANATIONS BELOW
Concept note-1: -For four years, from 1914 to 1918, World War I raged across Europe’s western and eastern fronts, after growing tensions and then the assassination of Archduke Franz Ferdinand of Austria ignited the war.
Concept note-2: -November 11, 1918 Germany signs the Armistice at Compiègne, ending World War I.
Concept note-3: -World War I, also called First World War or Great War, an international conflict that in 1914–18 embroiled most of the nations of Europe along with Russia, the United States, the Middle East, and other regions.
Concept note-4: -After 1945, historians found the term “First World War” appropriate because they saw 1914-1918 as the first of a particular type of international conflict-the world’s first industrialised “total” war-which had been followed by a second industrialised world war of this kind-1939-1945.