premise: Harper said the issue of Quebec's nationhood should not be decided by the federal government but by the Quebec legislation. However, he said the Bloc has forced the government to take a position.
  The Bloc motion, which will be debated in the House of Commons on Thursday, states simply: "That this House recognizes that Quebecers form a nation."
  Francophone Quebec has previously held two referendums on separation, in 1980 and 1995, but rejected the idea.
  The word "nation" is often used in Quebec to describe the province as a distinct cultural entity, even by anti-separatist politicians such as former Premier Jean Charest.
   What caused something to be debated in the House of Commons?
hypothesis: The Bloc motion