The concentration was such, the destruction of resisting forces was so complete, that the machine worked well in the hands of women. For almost the whole of the seventy years after Peter's death, Russia was governed by empresses. The last of them, Catharine II, was one of the ablest and most successful rulers in modern times. For the machine which Peter created was strong enough to endure. It still exists as he made it, an amalgam of power and servility, never leading, but often supplying the deciding force in the history of the world. It was the empire of Peter the Great that destroyed the empire of Napoleon. Such a Power, limited by feeble neighbours, would have been a danger to the whole of Europe, but that another great Power, founded in the same generation, became a bulwark against a menacing expansion. The rise of Prussia preserved the Continent from being submerged. This new phase of northern monarchy was very unlike that which we have just considered. Prussia, like Russia, was a military Power, living on the hope of expansion. But it was infinitely inferior, as to extent and population. It was not a giant but an athlete; and its future depended, not on the intrusion of foreign elements, but on its own development and practical organisation. Nature had done nothing to promise greatness. The country was open and arid, and the inhabitants were hard, unimaginative, and poor. Religion had less power over them than over any other part of Germany. To this day the sky-line of Berlin is more unbroken by church towers than that of almost any other city. Neither their situation on the map of Europe nor hereditary endowment fitted the Prussians for empire. It was the work of the dynasty that a country which was less than Scotland, and was protected by no barrier of land or water, became greater than France. The Prussian people, by which I mean the people of Brandenburg and its vicinity, were conscious that Nature had not favoured them excessively, and that they could prosper only by the action of their government. No people were more submissive, or more ready to suffer, for the sake of the State. And none have gone farther in asserting its omnipotence, or in abdicating in its hands. They had no silver streak, no natural barriers. As a consequence of the Reformation the dominions of the Teutonic knights were joined in personal union under the same Hohenzollerns who reigned on the Oder and the Elbe. One was part of the empire, the other was enclosed in Poland, and they were separated by Polish territory. They did not help each other, and each was a source of danger for the other. They could only hope to exist by becoming stronger. That has been, for two centuries and a half, a fixed tradition at Berlin with the rulers and the people. They could not help being aggressive, and they worshipped the authority that could make them successful aggressors.