Answer: Dear Mr./President Truman.” This is the polite and expected salutation with which all written addresses to the president should begin. Do not use the president's name in your correspondence. Continue to refer to them as Mr. or Madam President.
Upon becoming president, Harry Truman learned of the Manhattan Project, a secret scientific effort to create an atomic bomb. After a successful test of the weapon, Truman issued the Potsdam Declaration demanding the unconditional surrender of the Japanese government,
