Anne Hutchinson played a significant role in the colony of Rhode Island by helping to found the town of Portsmouth after being exiled from Massachusetts. So, the correct response is:
She helped found the town of Portsmouth after being exiled from Massachusetts.
Hutchinson was a key figure in the early colonial period, known for her strong religious convictions and her challenge to the established Puritan authorities in Massachusetts, which ultimately led to her banishment and her role in the establishment of Rhode Island as a place of greater religious freedom.