Which statement best describes the effect of the development of barbed wire on the American west?

The development of barbed wire had a profound impact on the American West, especially in terms of land use and agriculture. Barbed wire enabled farmers and ranchers to fence off their properties more effectively, which was crucial in a landscape where free-range grazing had previously been the norm. This fencing allowed for the protection of crops and the management of livestock, significantly facilitating the settlement of the Great Plains.

The correct statement highlights that barbed wire helped to reduce conflicts between farmers and ranchers. As agricultural lands expanded and were enclosed by fences, it became easier for farmers to protect their crops from being trampled by free-range cattle. This development was an essential step in establishing boundaries and promoting the orderly use of land, which ultimately contributed to the stability and growth of agricultural communities in the region.

The other choices do not accurately capture the historical significance of barbed wire in this context. For example, while barbed wire did not have a direct impact on the cattle population itself or cause major economic issues such as outbreaks of tetanus, it did play a key role in changing land ownership dynamics and reducing disputes. Overall, understanding the role of barbed wire in facilitating settlement and mitigating conflicts is vital to appreciating its effect on the American West.