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.
The answer for ur question is Representative
Because this country accepts everything and anything and anyone and everyone from other countries.
Generally speaking, it would be a "nation" that is the term that is is used for “a community of people that shares territory and a government”, since the other options usually reside within said country.
A follower of the religion, Islam, is called a Muslim.
Hope this helps!