Completar frases The Mighty MississippiVersión en línea LL Comp Build Know, Exploration: The Mighty Mississippi por Stephanie Turner 1 pull were full spot More could In the days when roads just made of dirt , we often used rivers to go from one to the next . The Mississippi River was like a big road that ran from north to south . rivers and streams fed into the Mississippi . At times , the river would be of boats and rafts . The rafts float down river . But mules had to some rafts back up river .