According paragraph 1, what was the significance of villages that appeared after 1300? A. They exemplified advancing capacity of food output that could support the increasing masses. B. They had been settled in areas that had been previously described as "unsettled" or as "wastelands." C. They tended to gain greater area per person than the cities built before 1300. D. The population had grown by 5 million in a very short amount of time which forced villages to appear.