You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when was the war measures act been used in canada?" whose answer is the First World War.
Each document should contain about 30 words, and these documents should contain useful information.

Query: War Measures Act specific use in Canada
Useful Output:

Doc 1: It was used to implement the Defence of Canada Regulations. These allowed authorities to censor newspapers.
Doc 2: The War Measures Act gavew the givernment sweeping powers. This allowed the federal government to suspend civil liberties and by-pass parliament.
Doc 3: The War Measures Act set out Canada's initial legislative framework on emergencies, and Mr Gray found himself unsuccessful challenging the government's
Doc 4: The thesis focuses on three areas: (1) freedom of speech/sedition during wartime; (2) freedom from unlawful arrest and detention; and (3) the
Doc 5: The War Measures' Act was adopted in August of 1914 in view of transferring many powers from Parliament to the federal cabinet, thus allowing Canada to meet