Final answer:
Mercy and her family helped found the colony of a. Rhode Island, which was established by Roger Williams.
Step-by-step explanation:
Mercy and her family helped found the colony of Rhode Island. Rhode Island was one of the New England colonies founded in the early 17th century. It was established by Roger Williams and his followers as a haven for religious freedom and separation of church and state.
Williams was banished from the Massachusetts Bay Colony due to his religious beliefs, and he sought refuge with the Narragansett Native Americans With the help of others, including Mercy and her family, Williams established a colony based on religious freedom and separation of church and state. Rhode Island became known as a haven for religious dissenters and remains the smallest state in the United States today.