Complex sentence: For example, the Pokanoket sachem Massasoit and ten followers representing the remainder of the band were forced to submit to the Narragansett--their inland rivals--and agreed to give up valuable territory at the head of Narragansett Bay.
Split into simpler sentences: For example, the Pokanoket sachem Massasoit and ten followers, representing the remainder of the band, were forced to submit to the Narragansett--their inland rivals. They agreed to give up valuable territory at the head of Narragansett Bay.