"involuntary American guarantee" of Canadian security, but by the same token demanded that Canada play its part to ensure a "defense against help" from a potentially overwhelming neighbor. 7
             In a world dominated by the US-Soviet stand-off and the spectrum of mutually assured destruction, Canada's geographical position as the landmass between the superpowers and its role in the strategic military defense of North America understandably loomed large in Sutherland's considerations. As a result, his more detailed discourse on the strategic consequences of Canadian geography focused on issues such as a Soviet invasion across the Arctic, air defense against Soviet bombers, the siting of US retaliatory missiles in Canada, and the deployment of nuclear submarines in the Arctic. Whilst clearly relevant in 1962, in today's post-Cold War world it would be tempting to disregard all these aspects of Sutherland's analysis. However, there are at least two more detailed long-term implications of Canadian geography highlighted by Sutherland tha
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