Why did conflict occur between the Powhatan and the Jamestown settlers in 1622? The Powhatan stopped providing corn to the colonists. The Powhatan stopped providing corn to the colonists. Colonists demanded that the Powhatan turn over their gold. Colonists demanded that the Powhatan turn over their gold. The Powhatan refused to provide livestock to the colonists. The Powhatan refused to provide livestock to the colonists. Colonists continued to take Powhatan land to grow tobacco.