During the 1920s which of the following most profoundly transformed all of the following, entertainment education commerce and research

Radio, Television, Telephone, and jazz music are some of the things that profoundly transformed entertainment, education, commerce, and research in the 1920s

The  ancient egyptians  who  built the pyramids  may have been  able  to move massive stone blocks across the desert by wetting the sand in front of a contraption  built  to pull the heavy objects