Final answer:
Roger Williams founded the colony of Rhode Island, which is known for its religious tolerance laws that still impact the US today.
Step-by-step explanation:
Roger Williams, after being outcast from the Massachusetts Bay Colony, founded the colony of Rhode Island, which later became a state. Rhode Island's foundation was based on religious tolerance and separation of church and state, making it an important precursor to the religious freedom laws that still influence the US today.
Learn more about Roger Williams and the foundation of Rhode Island