Cold War (1979–1985) union's demands, including its legalization, making Solidarity (now 10 million members strong) the first trade union in the Warsaw Pact to not be under the control of the communist government. Throughout the following year, Poland experienced growing political chaos as the Solidarity protests spread across the country, threatening the survival of the communist state. On Dec. 31, 1981, General Jaruzelski, head of the Polish military, declared a state of martial law across Poland, ordering the arrest of members of Solidarity and other opposition organizations. During the period leading up to the declaration of martial law by Poland's government, there was
Wojciech Jaruzelski appearances. However, Wałęsa persuaded the Communists' two allied parties, the United People's Party (ZSL) and the Alliance of Democrats (SD), to break their alliance with the PZPR. Accepting that he would have to appoint a Solidarity member as prime minister, Jaruzelski then asked Wałęsa to select three candidates, one of whom he would ask to form a government. Ultimately, Tadeusz Mazowiecki, who had helped organize the roundtable talks, was selected as first non-Communist prime minister of an Eastern Bloc country in four decades. Jaruzelski resigned as president in 1990. He was succeeded by Wałęsa, who had won the presidential election