What ignited World War 2?

What countries had a one shilling coin? Why did the is effect the entry into world war 1? What does the word Hoo mean in a place name. As in Luton Hoo or Sutton Hoo? Who won World World II? Where is the dungeon at Hampton court palace? Recognized that all men were equal before the law guaranteed religious freedom and the right to work? What nations existed after World War 1 which has not been existed before? How do you get purge? What happens when you travel east across the international dateline? What was the goal of the quiet revolution? Is there a time in America's history when volunteers made a difference? What came after the edwardian period? Why was Napoleon forced to live on Elba Island? What two things started World War 2? How did the Columbian exchange affect the economies and people of Africa Europe and the Americas? What was the british currency during 1776? What was the Communist Revolutionary Movement? What were the main locations of World War 1 and World War 2? When did the great war become known as World War 1? What was the largest city in North Carolina until 1910?

What ignited World War 2?