Complex sentence: The author, Roger Williams, was the founder of Rhode Island and a puritan who fell or was banished from massachussets and founded rhode island who believed that the king had no right to grant title to Native American lands without their permission.
Split into simpler sentences: The author, Roger Williams, was the founder of Rhode Island and a Puritan who fell or was banished from Massachussets and founded Rhode Island. He believed that the King had no right to grant title to Native American lands without their permission.