How were daily lives changed by new technology in the 1920s

Ineed on 2-4 i want y’all to reply to this question so i can turn this into my teacher tomorrow

Which of the following is most accurate: early medieval art centered largely around christian subject matter. early medieval art relied heavily on black and white color palettes. early medieval art was limited to painting. early medieval art preceded roman art.

During the 1920’s why did the us policy change