Unrest and opposition to Communist were spreading in Poland. The Solidarity movement became a nationwide movement with Lech Wales and its head, The Soviet government was very concerned about the moment and pressured the Polish government to take action. General Wojciech Jaruzelski was elected to be head of the party and his goal was to restore order. He tried to get the parliament to approve measure imposing martial law and outlawing solidarity, but it failed to. On December 12th 1981, he did it himself by imposing martial law and arresting the leaders of Solidarity including Lech Walesa. The crackdown failed to elminate the democracy movement in Poland.