What was the occasion of the Second Buddhist Council?

Q. What was the occasion of the Second Buddhist Council?

(a) To prepare a complete and authentic collection of the teachings of Lord Buddha

(b) To settle the controversy arising from the adoption of certain practices by the Vajjian monks of Vaishali

(c) to establish the purity of the canon which had been imperiled by the rise of different sects

(d) To put an end to the dissensions in the Church (Sangha)

Ans: (b) To settle the controversy arising from the adoption of certain practices by the Vajjian monks of Vaishali