Answer:
As directed by the Constitution, a presidential candidate must be a natural born citizen of the United States, a resident for 14 years, and 35 years of age or older.
I don't know if this helps, but these are the three requirements for presidency in the USA.
One of the direct result of European Slave trade in Africa is that it Promoted a feeling of racial superiority among Europeans.
That's probably what's causing the European countries became the first one who sell black skinned people as slaves.
Your answer would be the League of nations
Generally speaking, yes, it is true that President Carter based his foreign policy on strong, personal principles, since his main motivating factor for both domestic and foreign policy was upholding human rights.