Why did soldiers and Nazi supporters take part in this event?

Soldiers and Nazi supporters participated in events like rallies and parades to demonstrate their loyalty to the regime and to showcase their strength and unity. These gatherings served as a means of Propaganda, reinforcing the ideology of the Nazi Party and fostering a sense of belonging among participants. Additionally, such events were instrumental in rallying public support and instilling fear in opponents, consolidating the regime's power through displays of military might and ideological fervor.