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When Germany attacked Belgium and France in 1914 and Britain declared war, what military force did Ottawa form?

  1. The Royal Canadian Navy

  2. The Canadian Air Force

  3. The Canadian Expeditionary Force

  4. The National Guard of Canada

The correct answer is: The Canadian Expeditionary Force

When Germany attacked Belgium and France in 1914 and Britain declared war, Ottawa formed the Canadian Expeditionary Force. The Royal Canadian Navy did not exist until after the outbreak of World War One, while the Canadian Air Force didn't exist until 1920. The National Guard of Canada was a reserve force made up of part-time soldiers, whereas the Canadian Expeditionary Force was a full-time military force mobilized for the war effort.