Answer:
Ill treatment and harsh behaviour.
Step-by-step explanation:
Ill treatment faced by Muslims in Hindu majority states, harsh and unfaithful behaviour of Hindus towards Muslims were the reasons due to which Mr. Jinnah give in his speech of 23rd March 1940 to support the demand for Pakistan. Mr. Jinnah knew that the difference between Muslim and Hindu ideology will cause problem in the future so it best for the Muslims to have separate state where they live according to their religion and believes.