I think the answer is A. I am not 100% positive though.
Made it illegal to bring in foreign corn - to make sure people bought British crops and allowed landowners to put their prices up.
The difference lies in interpreting the two sides of the conflict. McPherson saw the war as the war between the evil South and the good North. He was focused on the abolition of slavery and their integration into the society as free people. Horwitz on the other hand saw South not as evil but as a faction which went to war to protect its economic interests.
Answer:
the industrial revolution started in England because of the availability of coal
This should be in your textbook, it’s impossible to answer without the reference material