Alexander Nevskiy hindered as Prince of Novgorod in the first half of his rule the incursions of the Swedes, the Teutonic Knights and the Lithuanians in Rus´. Later as Grand Prince of Vladimir was forced to turn his attention to the East, where the Golden Horde consolated, especially after the Grand Mongol Khan decided to carry out a census of all the inhabitants of the empire and introduce a tax system based on it.