Answer: The realm was the birthplace of two of the world's great religions, Hinduism and Buddhism, but there are also immense Muslim populations and large groups of followers of various other religions as well. Hinduism, Islam, and Buddhism are the top three religions of South Asia.
Two of the world's largest religions, Hinduism and Buddhism, were born in the realm, but there are also large Muslim communities as well as groups of people who practice other religions.
Religion defines people's ideas, attitudes, and behaviors, religious diversity poses a challenge to South Asia's cohesiveness is the reason of importance of religion in South Asia's.
Hindus, for example, revere the cow, and riots have erupted when other religious groups butcher cows for food.
Thus, Hinduism and Buddhism plays important role.
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