Many people in the early India accepted the Buddha’s message because it welcomed people from all walks of life. The untouchables and Indians in the lower Jati accepted the Buddhas messages because they, too, could reach enlightenment. The Buddha’s message also provided a strong path toward the breaking of the never-ending chain of suffering and reincarnation. Buddha taught his people the four noble truths which could end suffering by the eight steps explained in the Eightfold Path. People that were finally free from problems would reach to nirvana. Nirvana is a state of perfect happiness and peace. This idea was accepted by many people. Hope this helps out a lot. (-: :-)