Lebensraum / Elbow Room
The Schoolhouse Rock video "Elbow Room", celebrating the westward expansion of the U.S., got considerable TV airplay back in the 1970s when I was a kid. It looks very different to me now. What I find most chilling is the gleeful -- I'm sure unintentional -- parallel to the Nazi idea of "Lebensraum" (living room), used to justify German expansion.
Here's the video:
We were so fortunate to have an empty continent all to ourselves, don't you think?