This decree also allowed Novgorod's merchants to travel throughout the Suzdal lands without restraint. Mengu Timur honored his vow: when the Danes and the Livonian Knights attacked Novgorod Republic in 1269, the Khan's great , Amraghan, and many Mongols assisted the Rus' army assembled by the Grand duke Yaroslav. The Germans and the Danes were so cowed that they sent gifts to the Mongols and abandoned the region of Narva. The Mongol Khan's authority extended to all Rus' principalities, and in 1274–75 the census took place in all Rus' cities, including Smolensk and Vitebsk.