What significant political development between 1937 and 1939 played a crucial role in convincing Quaid-e-Azam and the Muslim League leadership about the urgency of a separate Muslim homeland?

Explanation

The experience of Congress ministries' rule in various provinces from 1937 to 1939, marked by alleged discrimination against Muslims, convinced the Muslim League that Muslim rights and identity could not be safeguarded in a united India dominated by the Hindu majority.