Henry Addington (1757-1844), Lord Hawkesbury (1770-1828), and Charles James Fox (1749-1806) are depicted as the three witches from 'Macbeth'; consequences of peace won through concession to the French; feeding the fire with surrendered territory; William Wilberforce (1759-1833) crouching in foreground and singing 'Hymn of Peace'; brandishing mistletoe and a serpent;