Radical protestant followers of john calvin seeking purity of church and doctrine. many emigrated to north america from 1620-1640s to separate themselves from the church of england and its tolerance of roman catholic practices.

They were the Puritans.

Explanation:

The Puritans were English radical protestants, followers of the Calvinism that wanted to purify the Church of England from Roman Catholic practices. From 1620 to 1640s puritans emigrated to New England (many scaping religious persecutions) contributing to the founding of New Massachusetts Bay Colony, and other colonies in the north, in America, they were free to practice their religion.

i think he will be okay, id probably take the dog to the vet just incase