A. closing of the frontier
You may be referring to the thesis of Frederick Jackson Turner, which he explained in, The Frontier In American History.The 1921 edition of that work is available online, free: http://xroads.Virginia.edu/~Hyper/TURNER/A one page summary of Turner's thesis is at a site sponsored by the Henry George School, developed for U.S.A. high school students: http://www.landandfreedom.org/ushistory/us16.htmThe closing of the frontier was one of the causes that led to the Age of Imperialism. The closing of the frontier led for Americans to seek new frontiers.
The significance of the closing of the frontier was that it indicated that new unexplored lands were no longer available. Americans were thus faced with the notion that their land and other resources were not unlimited. Americans had viewed the bounty of the land as being infinite -- as it must have appeared as they settled across the vast continent. Even though the country still has lots of open space, there is no unexplored land and Americans are beginning to recognize that their resources are finite.
IS PLASTECH REGISTERED IN CANADA AND IS IT CLOSING
The British Government was responible for closing Boston Harbor.
Discontented Americans sought a new territory in which to try their luck (: -Nova net
rise of United States imperialism
It encouraged settlers to move west at little expense
A. closing of the frontier
You may be referring to the thesis of Frederick Jackson Turner, which he explained in, The Frontier In American History.The 1921 edition of that work is available online, free: http://xroads.Virginia.edu/~Hyper/TURNER/A one page summary of Turner's thesis is at a site sponsored by the Henry George School, developed for U.S.A. high school students: http://www.landandfreedom.org/ushistory/us16.htmThe closing of the frontier was one of the causes that led to the Age of Imperialism. The closing of the frontier led for Americans to seek new frontiers.
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.
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
The Closing of the American Mind was created in 1987.