Which city was established as a major center for Puritans in the Massachusetts Bay Colony?

Boston was established as a major center for Puritans in the Massachusetts Bay Colony due to its strategic location and significance in the colonial administration and community life. Founded in 1630, it quickly became the hub of Puritan culture and governance. The city served as the capital of the colony and was central to the religious and political activities that characterized the Puritan migration to New England. Boston also attracted a large population of Puritan settlers, leading to the establishment of institutions such as schools and churches, which further solidified its status as the focal point for Puritan society. The other choices, while important in their own right, did not reach the same level of influence or significance as Boston within the context of the Massachusetts Bay Colony.