Which example highlights the impact of radio on the US the US Postal Service closed its doors because people could communicate

Question

Which example highlights the impact of radio on the US the US Postal Service closed its doors because people could communicate via radio and did not need to mail letters it reached all Americans nationally through news advertisements and sports creating a common cultural experience televisions became much less common after the radio was invented it limited information to only the wealthy Americans who could afford a radio OOOO

Kunduz · Accepted Answer

Click to see the answer