Cardinal laws (Polish: Prawa kardynalne) were enacted during the Repnin Sejm of 1767-1768 in Warsaw, Poland. Officially, they were supposed to ensure the Golden Freedom of the Polish nobility. In fact, they were pushed through legislation which ensured that the political system of the Commonwealth would be ineffective and easy to control by its foreign neighbours and thus they were guaranteed by the Russian Empress Catherine the Great (and by 1775 also by Prussia and Austro-Hungary, with Russian forces - under the command of Prince Nicholas Repnin - present in Poland to ensure their passage.