Answer:
1095
The first known use of plenary indulgences was in 1095 when Pope Urban II remitted all penance of persons who participated in the crusades and who confessed their sins. Later, the indulgences were also offered to those who couldn't go on the Crusades but offered cash contributions to the effort instead.
Explanation:
The angel Raphael tells Adam what living creatures are made out of. He tells Adam that human beings are the highest beings on earth because God has given them the ability of reason. This was to help inform that Adam that he was free to make his own choices as he sees fit.