Answer:
depicts Achilles' determination and zeal to avenge his best friend.
Explanation:
In the epic "Iliad", Homer make the fight against the river the main focus of his descripption of Achilles' return to battle because it depicts Achilles' determination and zeal to avenge his best friend, Patroclus, who was killed in the war.
At the same time, the battle in the river is also the part where the gods of Olympus decide to aid Achilles to defeat his enemies and render him thier powers in the battle.
Homer makes the fight against the river the main focus of his description of Achilles' return to battle because:
According to the poem Iliad by Homer, he gives the details of how the best friend of Achilles, Patroclus was killed in battle and how Achilles came back to continue the battle against the river to avenge his friend's death.
As a result of this, Achilles fought tenaciously and even got help from the gods to be victorious in battle. This is one of the characteristics of an epic poem such as the Iliad which shows the intervention of supernatural forces in human activities.
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