Freedom of Religion: The right for individuals to practice whatever religion they choose without interference from the government. This was a key reason many groups migrated to America's colonies.
Sectarianism: Excessive attachment to a particular sect or party, especially in terms of religion.
Puritanism: A religious reform movement that arose within the Church of England in the late 16th century with an aim to purify it from Roman Catholic practices. Many Puritans emigrated from England to America in search for religious freedom.