Which of the following was required for a shift from agriculture prior to the industrial revolution to agriculture after the industrial revolution?
a. increase in population
b. availability of animal power
c. increase of diversity of crops
d. reliance on computer technologies
e. use of commercially produced fertilizer

I would say use of commercially produced fertilizer plus increase of diversity of crops would be the main two advances made after the Industrial Revolution in agriculture.Commercially produced fertilizers would make them much more available to most farmers and allow them to make up for deficiencies in thop eir soil and crop diversity could perhaps allow them to grow different things in different seasons or have several different crops at the same time.

Answer(a) cheap enough for small shops to purchase;

The answer is the second choice,  the rates at which criminals are rehabilitated into society after their sentencing