Which of the following innovations helped ranchers establish boundaries around their lands? A.
the introduction of more railroads
B.
the use of Herefords
C.
the spread of barbed wire
D.
the beginning of Wild West shows

C. The spread of barbed wires.

Explanation: I'm amusing the sentence "establish boundaries around their lands," this will mean barbed wires helped establish boundaries around their lands. This is one of the reaching innovations.

Hope this helped. :)

Actually, in a very strict sense none of the answers is correct, an the province that includes Labrador is called Newfoundland and Labrador - but the closest answer is a).

The total population of this province is under half a million people, with only 30 000 on the island of Labrador.

Explanation: