Question

Which of the following transformed the practice of post–Civil War

agriculture?
(A) The government ended all homestead acts.
(B) The U.S. Treasury moved off the gold standard.
(C) The size of the average farm decreased.
(D) The use of machinery on farms increased.
(E) There was a lack of open land in the Great Plains.

Answer 1

One of the things that transformed the practice of post–Civil War agriculture was "(D) The use of machinery on farms increased," since things like motorized plows greatly increased farm productivity.