The declaration of independence
If the broadcast was not just spoken in English sop that other races would understand like have a Sentance of it in English and a Sentance of it in German,Russian,Swedish,Jappinese would make it so that everyone would of under stood the broadcast thats would your best answer
The constitution explicitly assigns the president the power to sign or veto legislation, command the armed forces, ask for the written opinion of their cabinet, convene or adjourn congress, grant reprieves and pardons, and receive ambassadors.
The answer is A) He developed new methods of steel production.