Why was there competition between ranchers and farmers to settle in the West?

A. Farmers wanted open land without fences; Ranchers wanted to build fences to enclose their herds.
B. Farmers wanted to fence in the land for their crops; Ranchers wanted the open land to graze and drive their cattle.
C. Farmers didn't want the ranchers marrying their daughters; Ranchers were all men and wanted to build families.
D. Farmers needed cow manure for fertilizer but the ranchers refused to sell it for a reasonable price.

B. Farmers wanted to fence in the land for their crops; Ranchers wanted the open land to graze and drive their cattle.