Lonely Planet étude De Cas

on the reports of travellers (real, like Marco Polo, and imaginary from the Vie de Saint Brendan onwards), writers described the cosmos, mapped the three known continents, defined the four elements, explored mathematics, ascribed influences to the planets, and tackled practical issues, from medicine to education. By the fourteenth century, political matters were being raised. An anonymous Songe du verger (1376) examined the relationship between ecclesiastical and secular power. In De Moneta, Nicole