1. Early Japanese culture was influenced by adopting aspects of Chinese culture such as Buddhism, Confucian values, architecture, and agricultural techniques, while maintaining native Japanese traditions like Shintoism.
2. As centralized imperial rule declined in the 1100s due to civil war, a decentralized feudal system emerged in Japan similar to contemporary European feudalism, with samurai warriors and daimyo lords ruling over peasant farmers.
3. During the Shogunate period from the 1100s to 1860s, supreme military leaders called shoguns governed Japan through a feudal system with the emperor serving as a figurehead, cementing decentralized rule in contrast to the earlier imperial system modeled after China.