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Who can explain the difference between pilgrims, Puritans and Protestants?

Protestantism is a Protestant of various Christian sects who broke away from Roman Catholicism in the16th century. Puritans, a school of English Protestantism in16-17th century, demanded the simplification of religious ceremonies. Pilgrims are Putian people who went to the United States to establish Plymouth colony in 1620. In short, their scope is getting smaller and smaller.