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 Nepal special texts which are called the "Nine Dharma Jewels" ("Navagrantha"), and these are considered the nine books of Buddhism par excellence: Among the Tibeto-Burman-speaking peoples, Tibetan Buddhism is the most widely practised form. Newar Buddhism is a form of Vajrayana influenced by Theravada Buddhism. Many Buddhist groups are also influenced by Hinduism. Buddhism is the dominant religion of the thinly populated northern areas, which are inhabited by Tibetan-related peoples, namely the Sherpa, Lopa, Manangi, Thakali, Lhomi, Dolpa and Nyimba. They constitute a small minority of the country's population. Ethnic groups that live in central Nepal such as the Gurungs, Lepcha,