The United Council was a major milestone in New England history because it marked one of the first times when the New England colonies worked together. Not coincidentally, the impetus for this alliance was militaristic: the colonies wanted to make sure that they could defend their property from Native Americans and colonists from other nations. As such, the alliance marked a point when the colonists celebrated their collective European and Christian identity, instead of emphasizing their religious differences (as they’d often done in the past).