| Alaskan Highway
In 1942 following Japanese involvement in the Aleutians the U.S. Government, fearing an attack on Alaska, commissioned the construction of a highway linking Alaska, Canada and the main part of the States. It was a mammoth project. Here is a website commemmorating it: American Experience | Building the Alaska Highway | PBS
And here is the wiki entry: Alaska Highway - Wikipedia, the free encyclopedia 
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"The Eastern front is like a house of cards. If the front is broken through at one point all the rest will collapse."
- General Heinz Guderian |