The Oklahoma Land Rush
railroads.
Nova - 1974 Alaska The Closing Frontier 5-21 was released on: USA: 28 June 1978
isolationism
People living in the middle
is turner,s west a place a direction or an idea
the closing of the frontier. Santo :)
In the 1880s, fenced in fields had replaced open plains.
rise of United States imperialism
The 1890 census reported that the frontier line no longer existed, as the American frontier had been effectively settled. This marked a significant moment in US history as it showed the closing of the frontier and the end of an era of westward expansion.
A. closing of the frontier
It encouraged settlers to move west at little expense