SORU: boş bırakılan yere parçanın anlam bütünlüğünü sağlamak için getirilebilecek cümleyi bulunuz
It was the Romans who, through their bridge, wall and road system, gave London its skeleton, made it safe and determined the lines of its future development. In 839, the city was stormed by the Vikings. King Alfred conquered it in 886 and made it the base of his resistance against the Danes. ---- . The city began to grow rapidly owing to more peaceful conditions and increased trade with the Continent.