All of the following were innovations that benefited farmers during the second agricultural revolution except
a. the iron plough
b. the railroad
c. animal husbandry
d. plant domestication

Correct

d. plant domestication.

During the Second Agricultural Revolution the Dutch acquired the adjustable depth plow with curved molds with iron tip of the Chinese. The railroads reduced the cost of land transport by more than 95%. Animal husbandry was also used for meat, fiber, milk, eggs and other products.

the three answers (for plato at least) are:

b-condemned sola fida 

d-set rules for establishing seminaries and for educating clerics in the seminaries 

f-recommended moderation in the sale of indulgences and banned the sale of false indulgences 

it was displayed because they had a love for war