Just as they used the morality plays of the Middle Ages, where traveling troops went from city-state to city-state with a charter from the king (they were licensed, in other words), they couldn't come up with new plays outside of the Bible.
Kama michezo ya tabia kwa umri la kati, ambapo jeshi wa kusafiri walienda mji na mji na ruhusa ya mfalme, hawakuweza kutoa michezo sisizo za biblia.