Final answer:
Squanto, a member of the Wampanoag tribe, taught the Pilgrims how to grow key crops in New England.
Step-by-step explanation:
The Native American who taught the Pilgrims about life in New England and helped them grow key crops was Squanto. He was a member of the Wampanoag tribe and had spent time in England after being kidnapped by Thomas Hunt. Squanto taught the Pilgrims how to use local herring to fertilize the soil, which led to the flourishing of crops like maize.