Which region in the US was barbed wire important? A) pacific
B) Great plains
C) rocky mountains
D) north east

American West/Pacific

Explanation:

Barbed wire played an important role in the protection of range rights in the Western U.S. Although some ranchers put notices in newspapers claiming land areas, and joined stockgrowers associations to help enforce their claims, livestock continued to cross-range boundaries.

where are the statements?

c. free trade can lead to low pay for workers in poorer countries.