A frontier is a political and geographical term referring to areas near or beyond a boundary. United States. In the United States, the frontier was the term applied by scholars to the impact of the zone of land beyond the region of existing European occupation. That is, as pioneers moved into the frontier zone they were changed significantly by the encounter. That is what Frederick Jackson Turner called "the significance of the frontier.
https://en.wikipedia.org/wiki/Frontier
A frontier is a political and geographical term referring to areas near or beyond a boundary. United States. In the United States, the frontier was the term applied by scholars to the impact of the zone of land beyond the region of existing European occupation. That is, as pioneers moved into the frontier zone they were changed significantly by the encounter. That is what Frederick Jackson Turner called "the significance of the frontier.
