Scarlet Pimpernel, writing homework help: Understanding the Historical Setting, questions 13-16

Understanding the Historical Setting, questions 13-16
13. What is particularly gross about the old hag who is stopped by Bibot?
14. Why doesn’t Bibot inspect her cart?
15. What news does the captain of the guard bring to the people at the West Barricade?
16. Obviously, Bibot has felt that he is more clever than Grospierre, yet he is just as guilty of being duped by the Scarlet Pimpernel. What careful action taken by the Scarlet Pimpernel earlier in the day has made Bibot believe it is an old woman driving the cart?