4) Which of the following did not account for the development of the cattle industry in the 1870s & 1880s?

a) growth of a transportation network.
b) the ability to raise large herds on smaller plots of land.
c) Overgrazing resulted in larger higher sale price cattle.
d) Low capital investments. (my answer)

I say this because a.) growth from railroads b.) barbed wire invented so they could trap large herds but I couldn't find any information in my text on C or D

2 answers

I am no expert but in this period of westward expansion of cattle range after the Civil War I think both c and d are appropriate answers.
Thanks for trying