The term that would be associated with this event is "colonization", since in fleeing persecution and coming to North America to form a new life on new land, these Puritans were forming a colony.
Answer:
The DHS also known as the Department of Homeland Security expressed their concerns and fears about exterior people involved in the commission, specifically members of the same terrorist groups which committed the crime on September 11th. The DHS warned of people who were in the commission who were not supposed to be.
B. Protestant Reformation