Complex sentence: Tsar Ivan III (1462--1505) tripled the territory of his state, ended the dominance of the Golden Horde, renovated the Moscow Kremlin, and laid the foundations of the Russian state.
Split into simpler sentences: Tsar Ivan III (1462--1505) laid the groundwork for the empire that later emerged. He tripled the territory of his state, ended the dominance of the Golden Horde, renovated the Moscow Kremlin, and laid the foundations of the Russian state.