Final answer:
The greatest gifts from the Duvitches were their offerings of fish, roots, parrots, and other items, symbolizing their generous spirit and cultural exchange.
Step-by-step explanation:
The greatest gifts that the Duvitches had to offer were a reflection of their generosity and cultural exchange despite their own perceived limitations in wealth. They brought what was valuable to them, such as fish and roots, and presented these offerings to newcomers, displaying a sense of goodwill and openness.
They also demonstrated an eagerness to share and exchange, bringing items like parrots, javelins, and cotton to trade for simple trinkets which they treasured, like little bells and beads. The Duvitches showed that the greatest gifts often come from the heart, representing a desire for positive relations and friendship.