One of hundreds of plaques describing the rise of the Third Reich. The second paragraph sums it up nicely. "Nazi terror targeted former opponents of the Party. Oppositional journalists, writers, and artists were terrorized, Jews vilified, and civil servants loyal to the constitution deprived of their posts. The poycot of Jewish-owned businesses on April 1, 1933 was justified as a response to foreign propoganda. The trade unions were suppressed in May 1933. Shortly thereafter, the ban on all political parties except the Nazi Party made Germany a one-party state. The press, broadcasting, art, and scholarship were all made to toe the party line.