Defense from neighboring tribes - The Powhatan confederacy also protected the early colony Jamestown from raiding neighboring Algonquin Indian Tribes
Native Diplomacy / Political stability
Powhatan Confederacy also taught Colonists important skills for survival in the new country and played essential parts in ensuring political stability as a mediator between competing Native American Tribe who viewed Powhatan's people the keepers of James river. this ensured a relatively peaceful existence between settler communities for a short while .