War, hunger, and gluttony in the first and second tetralogy: Sir John Oldcastle and Jack Cade

Shakespeare may have returned to his first tetralogy when writing the second tetralogy to develop connections between English bravery and hunger as well as English cowardice and gluttony. Especially relevant are hitherto overlooked parallels between Sir John Oldcastle and Jack Cade in Shakespeare's treatment of dishonourable conduct and appetite.