The belief that the human race can be improved and made stronger by strategically breeding two super-human parents is called ___.

Eugenics

Explanation:

Eugenics is the practice of developing the human species by selectively people with particular excellent genetic qualities which would benefit our human race. The people under eugenics become with better physical and mental health which led them to survive in the environment with improving and powerful in society.

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know

answer: a tolerated diverse population

explanation: the city of baghdad formed to vast semi- circles on the right and left banks of the tigris twelve miles in a diameter.