Question

what was the purpose of the assembly hall​

Answer 1

Answer:

Assembly halls are areas for public meetings, group events,etc.

If you want to know the reason of why there are curtains in the assembly hall  ( physics)..

• Chairs in the assembly halls are being used for preventing reverberation (persistence of sound). This is also to ensure that sound is uniformly spread across the entire room.
• Curtains, too, support for the same purpose.