Which mughal emperor reserved policies of religous freedom

Aurangzeb

Explanation:

Aurangzeb as a Sunni Muslim he reversed the religious toleration laws in place in the Mughal Empire. He restricted both non-Muslims and Shi'a Muslims. He also reinstated taxes on non-Muslims and began ruling under Islamic law. this made him viewed as a cruel and harsh Mughal leader. 

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.