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 the West Rush. By 1875 there were 8 temples in San Francisco and many more smaller ones along the West Coast. They practiced a mixture of "Confucian ancestor veneration, popular Taoism, and Pure Land Buddhism." At about the same time, immigrants from Japan began to arrive as laborers on Hawaiian plantations and central-California farms. In 1893 the first Jōdo Shinshū priests arrived in San Francisco, and they formally established the Buddhist Missions of North America, later renamed the Buddhist Churches of America in 1899. The BCA is the oldest major institutional form of Buddhism in the United States. This organization acted as