Which Polish leader established an independent trade union union called Solidarity in 1980, and was elected president of Poland in the free elections of 1989?
A.) Janos Kadar
B.) Lech Walesa
C.) Wladislaw Gomulka
D.) Imre Nagy
It officially registered on 10 November 1980. Lech Wałęsa and others formed a broad anti-Soviet social movement ranging from people associated with the Catholic Church to members of the anti-Soviet left.
