Each section of the book has a historical passage. one such passage begins, "after the fight at palo duro canyon, the kiowas came in, a few at a time, to surrender at fort sill. their horses and weapons were confiscated, and they were imprisoned." why does the author include historical passages in the book a) to show his own personal connection to the kiowa b) to reveal the spiritual background of the kiowa c) to remind readers to respect their heritage d) to validate the history of the kiowa people