What plan did Odysseus devise to win the war?

Odysseus devised the cunning plan of the Trojan Horse to win the Trojan War. He proposed that the Greeks build a large wooden horse, hollowed out to hide soldiers inside, and leave it at the gates of Troy as a supposed offering of surrender. The Greeks then pretended to retreat, luring the Trojans to bring the horse into the city. Once inside, the hidden soldiers emerged at night, opened the gates for the rest of the Greek forces, and ultimately led to the fall of Troy.