China Tibetannet Numerous Buddhist Acts emerged after the mid-11th century, including the Nyingma, Gatang, Sagya, Gagyu, Zhigyed, Gyoyul, Gyonang, Kodrag and Xalhu sects. The latter five were rather weak owing to the lack of political support. They were thus forced to join force or were otherwise annexed by other sects, and as individual entities fell into the oblivion of the long flow of history. The following five sects enjoyed impressive popularity: