The correct answer to this open question is the following.
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Franklin D. Roosevelt, the president during the Great Depression, used radio to help restore American confidence in their government and the economy transmiting messages as a way to keep the country informed.
When President Franklin D. Roosevelt took the office in 1933, the United States was living its worst economic crisis in history. The US stock market had crashed on October 29, 1929, marking the beginning of the Great Depression. Millions of Americans lost their jobs, banks declared bankruptcy, and thousands of companies broke.
Under these critical conditions, President Roosevelt wanted to directly communicate and inform the American people about the situation and his programs to offer solutions. These programs were the known as the New Deal, and through the use of the radio, he permanently informed the citizens about the advances.