What is a specific example of how new technology transformed the average person's life in the 1920's?

New technology had improved lives in the 20s drastically because factories started producing items people had never used or seen before, a specific example would be washing machines and refrigerators. sellers started to sell them for higher prices because people didn't exactly know what they were and assumed it would make their lives easier

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.