While they were gathered in this place of meeting , they were surrounded and attacked by mercenaries of the English and Dutch . The Indians were ordered from the building and as they came forth , they were shot down . The rest were burned alive in the building . The mercenaries were the rival Indian tribes . It was typical for how they fought each other , often without mercy including ritual death by torture for prisoners . Also it was only English New England Puritans and not Dutch . <| sep |> The problem would be how ships are handled in CS , I expect . And water levels . I mean , you regularly see ships sailing across drained polders . Until that becomes impossible , I don ' t see how ship traffic could be blocked in other ways .