Answer: Declare war
Explanation: Only congress has the power to declare war.
1The power of the Executive Branch is vested in thePresident of the United States, who also acts as head of state and Commander-in-Chief of the armed forces. ... Fifteen executive departments — each led by an appointed member of the President's Cabinet — carry out the day-to-day administration of the federal government
When he suggested that change should be brought about “by any means necessary,” Malcolm X was stating violence would be necessary to achieve civil rights goals.
Because the treaties were not true, after the signing of the treaty of verse there was the assertion of Nazism. The treaties were not really taken seriously as they should, they were just a way for some countries to come out of war and others to gain from it.