Which group didn't prosper during the 1920s and suffered more during The
Great Depression?

then its a law the end

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict

the roman republic

for us its called a jury or court romans used this when someone was on trial and the republic   would choose guilty or innocent same with jury today