The ruler who was best known for defending religious freedom and promoting tolerance was

Akbar was the king who was best known for defending religious freedom.His policy of  Sulah -i kul which meant peace for all was inspired by Sufi principles. Akbar ruled large parts of India and the population of the realm was also diverse. It was necessary to maintain the policy of tolerance and respect of other religions as the rulers were Muslims and the majority of population Hindu. He propounded a syncretic religion called Din-i-Ilahi.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

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