What have presidents justified under the principles of "immediate needs of the nation" and "a mandate from the people?"

Would the answer be: It has shaped the office of the presidency into its modern form.

1 answer

Your statement does not answer the questions.

Presidents have taken power to wage war under the principle that war meets the immediate needs of the nation. A mandate from the people may mean that the President takes action that Congress opposes because he feels that the voters want that position.