How was the alliance between the Wampanoag and the Pilgrims key to the Pilgrims' survival?

The Pilgrims had suffered great casualties with the journey and from disease. They were on the brink of death when a harsh winter hit. The Wampanoag Indian's saved them by providing food and later showed them how to be self (e.i. teaching them how to farm on the New World land).

c, to compete

it was the first amendment