The correct answer to this open question is the following.
Although you did not attach the excerpt from "The Great Rogue: A Biography of Captain John Smith," neither the theories to answer the question, we can comment on the following.
What Paul Lewis relates is that when Pocahontas traveled to Britain for the first time with her husband John Rolfe, he impressed the English people with her naturalness, beauty, education, and good manners. This happened in 1617.
Pocahontas showed proved to be a charming woman that projected security and refined moods everywhere they went. Lewis comments that Pocahontas -in that time, already converted to Christianity- discussed theology concepts with British Bishops.