The correct answer is a. crop prices went down.
Simple as that. When the prices fell down, people could produce more for the same amount of money as earlier, which led to a boom.
The answer of this question is B because I read the book and It tells me that it is and I was reading it and I got the question so I am answering this question so Please give an brain list. <span />
Martin Luther of Germany, he generated a schism in the Catholic Church and formed his own Lutherism faction of Christianity.
Hope I helped :)
United states, France, Great Britan and, Japan
They probably want (a) but the real answer is neither.