Final answer:
Phoenix, a close companion and mentor to Achilles, played a role in trying to resolve the conflict between Achilles and Agamemnon.
Step-by-step explanation:
Achilles and Agamemnon had a quarrel in the epic poem The Iliad by Homer during the Trojan War. Phoenix, a close companion and mentor to Achilles, played a role in trying to resolve the conflict between Achilles and Agamemnon. In The Iliad, Phoenix delivers a speech to Achilles, urging him to put aside his anger and rejoin the battle. However, Achilles remains stubborn and refuses to fight, leading to disastrous consequences for the Greek army.