In aztec culture how did monarch get their powers?

Which of these resulted in an actual slow down or limiting of the u.s. and soviet nuclear arsenals?

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

Western sahara is occupied by whom? a. mauritania b.algeria c. morocco d. tunisia