The colony was founded by the owners of the Massachusetts Bay Company, which included investors in the failed Dorchester Company, which had in 1624 established a short-lived settlement on Cape Ann. The second attempt, the Massachusetts Bay Colony begun in 1628, was successful, with about 20,000 people migrating to New England in the 1630s. The population was strongly Puritan, and its governance was dominated by a small group of leaders who were strongly influenced by Puritan religious leaders. Although its governors were elected, the electorate were limited to freemen, who had been examined for their religious views and formally admitted to their church. As a consequence, the colonial leadership exhibited intolerance to other religious views, including Anglican, Quaker, and Baptist theologies.
Although the colonists initially had decent relationships with the local native populations, frictions arose over cultural differences, which were further exacerbated by Dutch colonial expansion. These led first to the Pequot War (1636–1638), and then to King Philip's War (1675–1676), after which most of the natives in southern New England had been pacified, killed, or driven away.
The colony was economically successful, engaging in trade with England and the West Indies. A shortage of hard currency in the colony prompted it to establish a mint in 1652. Ongoing political difficulties with England after the English Restoration led to the revocation of the colonial