What polish shipyard worker became a public hero and later president of poland after forcing the communist government to give historic rights to labor unions?

Brainliestttme : ) -what reforms were made in communist china?

What was one of the main accomplishments of louis ix? a) he was made a saint after his death b) he eliminated trials by jury. c) he called the first french parliament. d) he ended the taxation system.

Why are nation-states difficult to create?