International relations experienced profound change with the paralysis of Soviet Union in 1986, then with the revocation of Warsaw Pact in 1989, when East German Communist Party destroyed Berlin Wall, finally, with the dissolution of USSR in 1991.. ..…
Most of the newly-independent parts of the old USSR began to introduce market economies, and an astonished world witnessed a series of unexpected and rapid changes: On September 10, 1989 Hungarian government opened its border for East German refugees; on November 9, 1989 Berlin Wall was..…
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