Wojciech Jaruzelski this Soviet-controlled First Polish Army during the war. He participated in the 1945 Soviet military takeover of Warsaw and the Battle of Berlin. By the time the war ended that year, he had gained the rank of lieutenant. He "further credited himself in Soviet eyes" by engaging in combat against the non-Communist Polish Home Army, from 1945 to 1947. After the end of the war, Jaruzelski graduated from the Polish Higher Infantry School, followed by graduation from the General Staff Academy. He joined Poland's Communist party, the Polish United Workers' Party, in 1948 and became an informant for the Soviet
Wojciech Jaruzelski he was elected to be a member of the Central Committee of the Polish United Workers' Party. He benefited from the antisemitic campaign in the army in the 1960s, during which more than 1000 Jewish officers were demoted or expelled. Even the non-Jewish minister of defence, Marshal Marian Spychalski was persecuted. Jaruzelski obtained his post. In August 1968 General Jaruzelski as the defence minister ordered the 2nd Army under General Florian Siwicki (of the "LWP") to invade Czechoslovakia, resulting in military occupation of northern Czechoslovakia until 11 November 1968 when under his orders and agreements with the Soviet Union his