Buddhism is also Mahayana in origin, but is discussed below under the heading of Vajrayana (also commonly referred to as "Northern Buddhism"). There are a variety of strands in Eastern Buddhism, of which "the Pure Land school of Mahayana is the most widely practised today.". In most of this area however, they are fused into a single unified form of Buddhism. In Japan in particular, they form separate denominations with the five major ones being: Nichiren, peculiar to Japan; Pure Land; Shingon, a form of Vajrayana; Tendai, and Zen. In Korea, nearly all Buddhists belong to the Chogye school, which is
Buddhism in Japan during the Edo period, through the Danka or "terauke" system. In this, Japanese citizens were required to register at their local Buddhist temples and obtain a certification ("terauke"), which became necessary to function in society. At first, this system was put into place to suppress Christianity, but over time it took on the larger role of census and population control. In Japan, Buddhist art started to develop as the country converted to Buddhism in 548. Some tiles from the Asuka period (shown above), the first period following the conversion of the country to Buddhism, display a strikingly classical style, with