How did plague lead to an economic collapse in the third century?

Who was the fifth president of the u.s.

Plz where was the inca civilization located? a. in and around the andes mountains of south america. b. central america in southern mexico. c. the caribbean islands. d. the central valley of mexico.

Which terms describe the countries with which the united states and soviet union attempted to ally during the proxy wars? check all that apply. unstable newly industrialized colonial newly independent developing militaristic resource rich