He was the first black president.
Governor Orval Faubus.
EXPLANATION
On September 2, 1957, Governor Orval Faubus announced that he would call in the Arkansas National Guard to prevent the African-American students' entry to Central High, claiming this action was for the students' own protection.
A directly stated consitutional requirement in the US constitution in Article 2 Section 3 is that the President must give to Congress recommendations regarding the State of the Union and recommend any actions that are considered essential and expedient.
Explanation:
As we all of us know that we living being are surviving on the earth due to the presence of sunlight, water , oxygen and suitable temperature and weather . so with the help of these all essential things we are living on the earth
I learned about this last year the answer should be D.