Frederick Jackson Turner

"The West, at bottom, is a form of society, rather than an area. It is the term applied to the region whose social conditions result from the application of older institutions and ideas to the transforming influences of free land. By this application, a new environment is suddenly entered, freedom of opportunity is opened, the cake of custom is broken, and new activities, new lines of growth, new institutions and new ideals, are brought into existence. The wilderness disappears, the "West" proper passes on to a new frontier, and in the former area, a new society has emerged from its contact with the backwoods. [...] Decade after decade, West after West, this rebirth of American society has gone on, has left its traces behind it, and has reacted on the East."

"American democracy was born of no theorists dream; it was not carried in the Sarah Constant to Virginia, nor in the Mayflower to Plymouth. It came out of the American forest, and it gained new strength each time it touched a new frontier. Not the constitution, but free land and an abundance of natural resources open to a fit people, made the democratic type of society in America for three centuries while it occupied its empire."