Historically, Canada has looked to Great Britain for its military culture. During the First and Second World War, the Canadian army was virtually interchangeable with the British army. However, the decline of the British military power starting in 1940 increasingly caused Canada to gravitate towards her neighbour to the south.
"From Mother Country to Far Away Relative: The Canadian-British Military Relationship from 1945,"
Canadian Military History: Vol. 18
, Article 7.
Available at: http://scholars.wlu.ca/cmh/vol18/iss1/7