Puritan migration to New England (1620–40) ... The Puritan migration to New England was marked in its effects in the two decades from 1620 to 1640, after which it declined sharply for a time.
The Nuclear Non-Proliferation Treaty sought to D) prevent the spread of nuclear weapons to nations that did not already have them. The goal of the treaty was also to C) reduce the number of nuclear weapons held by major powers or any states possessing nuclear weapons with the general goal of nuclear disarmament.