Dr. larsen is interested in researching the personalities of dweebs. he collects all the terms in the dweeb talk dictionary that can differentiate one dweeb from another dweeb. dr. larsen is the using the approach to identifying important traits.

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.