The document provides information to compare and contrast Japanese and European societies during the post-classical period by discussing: 1) Japan's Yamato Period saw the adoption of Chinese culture including Confucianism and Buddhism under Prince Shotoku, while Charlemagne created the Holy Roman Empire in Europe. 2) Religion spread differently, with Buddhism spreading peacefully in Japan influenced by Zen teachings, while Christianity spread through both voluntary and forced conversion in Europe. 3) The Heian Period in Japan saw refined court life and cultural developments like novels, while Europe experienced the structure of feudalism and the growth of towns and guilds leading into the Renaissance.