No the Panama Canal was built by man to make trade by sea easier.
Answer:
The term coined is "Domino Theory"
Machiavelli believes that <span>the princes can use and should use violence in order to survive or to achieve their aims as rulers, especially when there is a problem in the country ot connected with the country. In such situations the princes should keep the people in fear, so no one would want to attack them or take their power. Otherwise, by providing housing and women, he should keep the peace in the country, In this sense is contradictory how he advises the princes to be more liberal. </span>
Key was inspired by the sight of a lone U.S. flag still flying over Fort McHenry at daybreak, as reflected in the now-famous words of the “Star-Spangled Banner”: “And the rocket's red glare, the bombs bursting in air, Gave proof through the night that our flag was still there.”
It would be "rope" that led to the closing of the open range, as farmers started to close off their land to other people and cattle. Barbed wire was not generally used.
