Final answer:
Odysseus doesn't kill Cyclops because he needs him to open the door.
Step-by-step explanation:
Odysseus doesn't kill Cyclops when he has the chance because he needs Cyclops to open the door. In Homer's epic poem, The Odyssey, Odysseus and his men are trapped in the cave of Cyclops. They blind Cyclops in order to escape, and if Odysseus were to kill him, they would not be able to leave the cave as the giant boulder blocking the entrance would remain in place. By keeping Cyclops alive, Odysseus ensures their escape.
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