What Was One Significant Flaw of the Homestead Act, Particularly

What was one significant flaw of the Homestead Act, particularly in more arid areas of the West?

A) Grasshopper plagues and other swarms of insects destroyed crops.
B) 160-acre allotments were too small for profitable farming.
C) Farmers and homesteaders had few opportunities for social interactions.
D) Railroads set exorbitant rates to ship farmers' products to market.