Up to our own day American history has been in a large degree the history of the colonization of the Great West. The existence of an area of free land, its continuous recession, and the advance of American settlement westward, explain American development.
Measuring America: The Decennial Censuses from 1790 to 2000 - Halaman 126
oleh Jason G. Gauthier - 2002 - 140 halaman
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