Which of the following factors contributed to the demise of the open range system an increase in the price of beef the invention of barbed wire the development of railroads the disappearance of big mini companies

The correct answer is :

The invention of barbed wire contributed to the demise of the open range system.

In the winter of 1886–87 the open range industry was ruined as hundreds of thousands of cattle perished and homesteaders took over and fenced the lands with barbed wire.

By 1890 there was little remaining of the open range system.

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