King John ruled England for almost two decades (1199-1216) and was well known as a heavy handed ruler. He would often wage unnecessary wars and burden his subjects with heavy taxes to pay for them. King John begrudgingly signed the Magna Carta because he needed the barons to fight his wars and collect his taxes.
I don't know what the answer is, but I know for sure that it is not B or C. I believe it is A.
It is false that Communism was the dominant economic force of the twentieth century, although it certainly overtook a great deal of territory. Capitalism was still overall dominant.