He could not even if he wanted to. Changes are made by the Congress and only by them. The president must then sign off. Hoover was the director of the FBI and had no power to do any changes.
probably
Herbert hoover assighned the anthem march 3 1931. he signed a bill for the anthem
Herbert Hoover was the 31st President of the United States. He was president at the time of the Stock Market Crash of 1929 and was the scapegoat for the depression, leading to his defeat in the 1932 election. Here is the government's website on Herbert Hoover: http://www.whitehouse.gov/history/presidents/hh31.html
He approved what is todays National Anthem.
Americans make changes to the constitution through the congress
Yes,he indroduced AAA and other alphabet to make America success.
amendments
amendments
1928-1933 by Herbert Clark Hoover the 31 president
Unless a constitution forbids it, as many as you wish
No. Hooverville was a term for make-shift housing that people who had lost their housing might move into. The term was a slam on President Hoover. People blamed him for the depression.
Unless a constitution forbids it, as many as you wish