Calvinism is basically Protestantism, but since John Calvin played a huge role in Calvinism, it is named after him. The people who practiced Calvinism, often believed they were "chosen" by God to like on their life and do what they are told. They thought that God had picked them to make a perfect Christian community, as they had lived good and true lives so they were hand chosen by God himself. They trusted in the fact that if they did this and created a pure Christian community, while living a happy life with no sin, they would earn salvation from God.
The Anabaptists are radical Protestants (Like the Amish in US), considered a threat to local governments and other religious groups such as Protestants and Catholics. They are different from other protestants because they believe in the separation of church and the State.
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