2. Schism - Divided in to many schools.
According to some historians a very harmful factor for Buddhism leading to its decline was schism and fierce disputes in the Sangha. By the 7th Century A.D. Buddhism was on longer one system, it had become a family of several schools and communities. The Buddha had himself visualized the danger of schism and had condemned it as one of the five deadly sins. The disputes among the various sects of the Buddhists were as bitter as between the Buddhists and non-Buddhists