The economic consequence which doesn't relate to obesity in this case would be D - the cost of services for chemotherapy. The amount of money that chemotherapy costs is largely unrelated to obesity levels either of the one who's giving it or the one who's receiving it.
I believe that the answer is C. Democratic
Market prices are determined through buying and selling decisions.
I'm not very sure of the answer but i did find a timeline that might help you figure out who ruled from the 1200s to the mid 1300s.
https://web.cn.edu/kwheeler/timeline_1200.html
