Which were disadvantages of farming on the great plains in the late 1800s?
a. there were frequent crop failures due to lack of rain.
b. slow population growth after the civil war reduced demand for farm products.
c. wheat and corn could not be grown on the great plains.
d. the land was too expensive for most homesteaders to afford.

The disadvantages of farming on the Great Pains in the late 1800s were as follows:

A. there were frequent crop failures due to lack of rain. 

The other choices are not really valid. The land was cheap and a lot of people came from the east coast to farm on the Great Plains as the land was so cheap. It was difficult farming on the Great Plains as  the soil was held together by grass roots. The farmers had to break it up before they could plant any crops

Answership building; new england was almost entirely mercantilist