Depending on who you ask you would get a different opinion. Many supporters of jazz found it liberating, exciting, it broke norms and gave freedom. It was a new and very creative way of playing music and dancing. It was a primarily black movement so many found it barbaric or immoral. Hating it because of race and class. It was seen by many that only uneducated people would like that kind of music while classical music was the real art of sophisticated people. Some music teachers also feared that it would make classical music seem boring and uninteresting to the younger generations.
Privatization of state industries, autarky (self-sufficiency), and tariffs on imports were some thing Hitler implemented in Nazi Germany. This helped raise wages significantly at the time.
Their actions consisted mainly of peaceful, nonviolent events few events were deliberately provocative and violent. In some cases, police used violent tactics against peaceful demonstrators.