The key to allied supply in western europe came from the what?

i dont know its your school work

Explanation:

you really need to put more information in your (question); /// i believe you are talking about ///creek traveler"s rest, about lewis and clark not good

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).