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In accordance with the anti-Jewish precepts of the Russian Orthodox Church, Russia's discriminatory policies towards Jews intensified when the partition of Poland in the 18th century resulted, for the first time in Russian history, in the possession of land with a large Jewish population. This land was designated as the Pale of Settlement from which Jews were forbidden to migrate into the interior of Russia. In 1772 Catherine II, the empress of Russia, forced the Jews living in the Pale of Settlement to stay in their "shtetls" and forbade them from returning to the towns that they occupied before the partition of Poland.