The United Colonies of New England , commonly known as the New England Confederation , was a short-lived military alliance of the English colonies of Massachusetts , Plymouth ,Connecticut , and New Haven . Established on May 19, 1643, its primary purpose was to unite the Puritan colonies in support of the church, and for defense against the Native Americans
and the Dutch colonies.
It was established as a direct result of a war that started between the Mohegan and Narragansetts . Its charter provided for the return of fugitive criminals and indentured servants , and served as a forum for resolving inter-colonial disputes.
In practice, none of the goals were accomplished