What is the difference between the true cause of the Trojan War and the myth about it?

The real reason for the outbreak of the war was the ambitions of King Agamemnon, who wanted to get the wealth of Troy and further expand his influence in Asia Minor. In the myth, the reason for the denouement was the abduction of Helena (the wife of the Spartan king Menelaus) by Tsarevich Paris, who was the son of the Trojan king. In this connection, Menelaus wanted revenge and return his wife.