Who were the key figures that led to Japan's decentralization during feudal times?

Japan's decentralization during feudal times is primarily attributed to the role of Daimyos. Daimyos were powerful feudal lords who ruled over specific territories and were granted land and authority by the Emperor or the Shogun. They had their own armies and were largely autonomous, which meant that power was distributed among many of these lords rather than being centralized under one ruler.

As the Daimyos gained power, they developed their own domains, often competing with each other for resources and influence. This competition and the system of vassalage among the Daimyos created a fragmented political structure in Japan, leading to the feudal system characterized by loyalty between lords and vassals, and significantly contributing to the decentralization of authority in the country.

The Shoguns, while powerful military leaders, often operated with the support of the Daimyos and worked within the feudal framework rather than creating a centralized state. The Samurai served primarily as warriors for the Daimyos and upheld the social order, but they did not initiate the decentralization themselves. Merchants, on the other hand, played a role in the economy but were generally considered of lower social status during feudal times and did not have significant political power. Thus, the influence