A. True :)
Pre means before, so if it's before history that means that it is prehistory.
Answer:
The quote is saying They went back after 15 miles because of constant fire, and they all were moving LIKE circles and they were surrounded and followed by the Patriots, and whoever sees them as improper, will be punished. They have men who know very about the Patriots.
The correct answer should be reward. In order to reward buyers for buying, you put the prices lower even though in reality you could be making the same mount of money. You thus decide to earn less money but you reward your buyers for being loyal or you get them to buy.