sentences:  La Tour attacked d'Aulnay again at Port Royal in 1643. d'Aulnay and Port Royal ultimately won the war against La Tour with the 1645 siege of Saint John.After d'Aulnay died (1650), La Tour re-established himself in Acadia.In 1654, an expedition was launched against Acadia by Robert Sedgwick and John Leverett on behalf of the English.