They came mostly as family groups and were united by religious purpose (3/4 came for that reason). Compared to the Chesapeake colony, there was less of a sexual imbalance (male to female ratio).
Congregationalism=Puritans created well organized communities and churches. As they grew, new congregations “hived off” into new communities. The Puritans came closest to the English ideal as rules were more strictly enforced in New England.