How was the movie theater experience different in the 1930s than it is today ? Please answer ASAP

The Depression and movies with sound changed movie audiences of the 1930s from those of the 1920s and earlier. Sound silenced audiences, discouraging the sociability that had marked working-class audiences before. The Depression led movie companies to change marketing strategies and construction plans. They stopped selling luxury and building movie palaces. Instead, they expanded their operation of neighborhood theaters, displacing independents that had been more worker friendly, and instituted centrally controlled show bills and policies. Audiences also appear to have become more heterogeneous. All this, too, discouraged the voluble behavior of working-class people. Ironically, in this era of labor activism, workers and their families seem to have become quieter in movie theaters, satisfied with the convenience of chain-operated movie houses.

Explanation:

it should definitely consists of the total amount of the entry which hindered the diary of how most conflictions and opinions in the 1800s experiences.

a. competition with other nations.