Ancient rome and modern day u. s. are both considered to be world powers. what does this mean?

To what is the growth of civilization most clearly traced

"all the characteristics and experiences that define each of us as individuals" is the definition of

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.