Paragraph 5 supports which of the following statements about cooperation among the people in the Mesa Verde area from the eleventh through the thirteenth century? A. Cooperation allowed many households to give up farming and to specialize in making pottery and crafts. B. People went from exchanging food and crafts they individually produced to sharing in a cooperative effort to produce as much food as possible. C. Overtime there was less cooperation as farmers competed with each other for trade with distant areas. D. Individuals stopped cooperating with each other because they did not have enough food for themselves.