The correct answer to this question is c
Capitalism is an economic system in which the trade and industry of the economy is owned and controlled by private individuals, to make profit. Communism refers to social system in which country's trade and industry are controlled by the community and the share of each individual relies on his ability and needs.
Gregory I increased the political power of the pope because he reformed and rewrote some of the aspects which were expected of the papacy, but which were things he did not want to do anymore. Upset by the privacy he used to have as a monk but which he no longer had anymore, he set out to involve himself more in the larger population's life by sending missionaries to England and by writing dialogues commenting on many different things. He also reformed and revised Roman worship of his day, which included more political power for the pope.
The best choice would be Eli Whitney
