History of Japan men instead joined forces with Emperor Go-Daigo and overthrew the Kamakura shogunate. Japan nevertheless entered a period of prosperity and population growth starting around 1250. In rural areas, the greater use of iron tools and fertilizer, improved irrigation techniques, and double-cropping increased productivity and rural villages grew. Fewer famines and epidemics allowed cities to grow and commerce to boom. Buddhism, which had been largely a religion of the elites, was brought to the masses by prominent monks, such as Hōnen (1133–1212), who established Pure Land Buddhism in Japan, and Nichiren (1222–82), who founded Nichiren Buddhism. Zen Buddhism spread widely among
Faith in Buddhism not exist in Buddhism. However, worship of deities has often been considered a form of superstition or a form of skillful means to guide the unenlightened to a better life, and not much more than that. In the history of the diffusion of Buddhism, the relation between Buddhism and local deities was an important aspect of success, but Buddhists have often denied this because of local movements for orthodoxy. Furthermore, scholars have paid little interest to the role of local deities, since it is not covered by any of the standard academic disciplines studying Buddhism, such as Buddhist studies or