Which of these colonial leaders was most known for his devotion to the ideas of democracy and religious freedom?

That leader would be: Roger Williams

Explanation:

To put a little bit of context,  the colonies in the past often added church officials as the members of their lawmaking body, This make people who held other religions exposed to risks of legal trouble simply by following their religious belief.

Roger Williams was known for his efforts in advocating for the separation of church and government in the Rhode island colony. He believe that religion should have no influence in governmental matter and people could pursue whatever religion they want.   He also want to transfer the power within the government to the hands of the people, which eventually popularized years later during the age of enlightenment.

im sorry i dont know a lot of this but ill try my best

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c. wright mills's sociological imagination suggest investigating to explain this increase?