which of the following factors contributed to the rapid growth of the cattle industry between the 1860s in the 1880s?

a. ranchers on the plains begin to raise sheep.

b. farmers settled on the plains and fenced in their fields.

c. by the mid-1880s there were more cattle on the open range then the land could support.

d. as railroads spread into the west it became easier and more profitable to ship cattle from the west to large cities in the east in the mid west.

i think A... Ranchers began to raise sheep

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.