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The correct answer is Isolationism
Becasue isolationism is where a country does not let anyone in or out of its borders and it does not participate in worldly afairs. It also has isolation in the name and the definition of isolation is the process or fact of isolating or being isolated.
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The Puritans were members of a religious reform movement known as Puritanism that arose within the Church of England in the late 16th century. They believed the Church of England was too similar to the Roman Catholic Church and should eliminate ceremonies and practices not rooted in the Bible.
The best answer is B) Nazism
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