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
Zen (Ch. 五家) of Zen, or five "schools". These were not originally regarded as "schools" or "sects", but historically they have come to be understood that way. Most Zen lineages throughout Asia and the rest of the world originally grew from or were heavily influenced by the original five houses of Zen. After the fall of the Tang Dynasty, China was without effective central control during the Five Dynasties and Ten Kingdoms Period. China was divided into several autonomous regions. Support for Buddhism was limited to a few areas. The Hua-yen and T'ient-tai schools suffered from the changing circumstances, since they