Anne Hutchinson, wife of William Hutchinson was a famous or infamous spiritual Puritan adviser in New England. Being as charismatic, Anne has organized meetings in her house for women who seeks counsel, however, as time goes by, men also participated and this became a threat to England Puritan Leaders that she was deported and excommunicated.
He used them to develop the plot. He was a master at plot development. Bierce loved to develop the plot through a sequence of events even if it made the reader uncomfortable.