USA HISTORY

Detailed explanation-1: -Lithuania was the first republic to declare full independence restored from the Soviet Union by the Act of 11 March 1990 with its Baltic neighbors and the Southern Caucasus republic of Georgia joining it in a course of two months.

Detailed explanation-2: -In November 1918, after 123 years of absence on European political maps, Poland regained its independence.

Detailed explanation-3: -On 23 October 1989, on the 33rd anniversary of the 1956 Revolution, the communist regime in Hungary was formally abolished. The Soviet military occupation of Hungary, which had persisted since World War II, ended on 19 June 1991.

Detailed explanation-4: -From 1989 through 1991, Poland engaged in a democratic transition which put an end to the Polish People’s Republic and led to the foundation of a democratic government, known as the Third Polish Republic (Polish: III Rzeczpospolita Polska), following the First and Second Polish Republic.

Detailed explanation-5: -Like other Eastern Bloc countries (East Germany, Czechoslovakia, Hungary, Romania, Bulgaria and Albania), Poland was regarded as a satellite state in the Soviet sphere of interest, but it was never a constituent republic of the Soviet Union.