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
Buddhism in Thailand Thailand is thought to have been derived from an unknown Mahayana tradition. While Mahayana Buddhism was gradually eclipsed in Thailand, certain features of Thai Buddhism—such as the appearance of the bodhisattva Lokeśvara in some Thai religious architecture, and the belief that the king of Thailand is a bodhisattva himself—reveal the influence of Mahayana concepts. In modern times, additional Mahayana influence has stemmed from the presence of Overseas Chinese in Thai society. While some Chinese have "converted" to Thai-style Theravada Buddhism, many others maintain their own separate temples in the East Asian Mahayana tradition. The growing popularity of Guanyin, a form