The Trojan War was won by the Greeks after a 10-year long battle. The decisive turn in the war was the charge led by Odysseus from the Trojan Horse.
This is a part of his supreme ordeal. His return home is much broader and includes his supreme ordeal which is what you described in the question. He fought them because he wanted to stop them from taking his wife Penelope. This was during the competition where they had to prove themselves.
D is incorrect because it is a run-on sentence.
Answer:
the speaker comes to earth because
Explanation:
he felt the need to come to earth