Answer:
Rally is where a bunch of people listen to one or more speakers, the speaker is in front of everybody and is talking to the crowd of people.
Step-by-step explanation:
I don't know what you mean by 'what would the Germans see/hear'
I'm going to assume that you mean like WW2. So the Germans would see is Mr. Minecraft moustache standing in front of a room full of people saying propaganda to make the German soldiers feel more convinced to fight in the war. I hope this helps, I didn't really understand what you meant by that but I tried.