The trojan war started after abduction of queen Helen of sparta, she was kidnapped by Trojan prince Paris.
The Trojan war was a war between the kingdom of Trioy and Mycenae. After the abduction of queen Helen Menelaus got his brother Agamemnon to lead an expedition to find his wife Agamemnon was joine by Achilles, Odysseus, Nestor, and Ajax. They had a fleet of over a thousand ships.
The two major players of the Trojan war were Prince Paris of Troy and Agamemnon. Prince Paris because he kidnapped Queen Helen and lead the Trojan army. Kid napping queen Helen lead Menelaus to tell his brother Agamemnon to attack, the Trojan to get Queen Helen back.
The Trojan war ended when the Greeks defeated the Trojans. They defeated the Trojans by disguising themselves in a giant horse that the Trojans brought inside there kingdom.
Homer was relevant to The Odyssey because he was the author of the epic. Homer was a Greek poet; who chronologged events that took place in the Trojan war.