"Other colonies were experiments, too. Maryland was meant to be a refuge for Catholics who were hounded under English law, and Pennsylvania was meant to be a Quaker experiment. But compared to Massachusetts and the New England region it developed, those experiments didn’t succeed. Not many Catholics went to Maryland; not enough English Quakers went to Pennsylvania.
Yet the Massachusetts Bay Corporation proved capable of moving tens of thousands of Puritans across the sea—Puritans who built political, religious, and economic structures that allowed the colony to stay true to its founding vision for a very long time. Although it was not the only experimental colony attempted, the Massachusetts Bay Colony was the one that succeeded to the greatest extent in fulfilling its founding goals—and those ideas indelibly marked New England."