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.htm
The 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 frontier was explored and pushed forward until it was no longer a frontier. "From sea to shining seaThe frontier cease to exist in the united states because settlers claimed more than 11 million acres of former Indian land.
1956
cease firing when you do not hear enemy fire
For the US, we'd cease fire, receive our POW's back, and depart the country.
The Inca empire ceased to exist because by 1527 fifty percent of the Inca people got the disease called small pox, so the people with small pox eventually died.
In The Declaration of Independence, the governmentâ??s relationship is as protector of the rights of the people. It is only through this relationship, the government is allowed to continue to exist. At this point, the government must cease to exist.
The frontier was explored and pushed forward until it was no longer a frontier. "From sea to shining sea The frontier cease to exist in the united states because settlers claimed more than 11 million acres of former Indian land.
The frontier was explored and pushed forward until it was no longer a frontier. "From sea to shining sea The frontier cease to exist in the united states because settlers claimed more than 11 million acres of former Indian land.
Only if you are a vampire or werewolf.
Certainly. There is a chance that the earth will cease to exist.
No. Matter cannot be creater nor destroyed. An object cannot simply cease to exist.
1990
yes without an identity you aren't reconized you cease to exist without dying while you are in the physical world you cease to exist in the mental world thus making you extinct while being here.
dead 'Vanish' which means cease to exist.
ECLIPSE
possibley
1937.
The cast of Cease to Exist No. 1 - 1975 includes: Cosey Fanni Tutti as herself