Answer:
For his efforts to put an end to communism in Europe through the means of non-violence, is the right answer.
Step-by-step explanation:
Lech Wałęsa is a Polish senior administrator, union organizer and pro-democracy activist who served the post of President of Poland in the years between 1990 to 1995. He was an electrician by occupation who became the leader of a union known as the Solidarity "NSZZ "Solidarność". His nonviolent efforts to put an end to communism in Europe enabled him to be bestowed with the Nobel Peace Prize in 1983.