Praxis 5941 Practice Test Practice Question
Which of the following climatic and environmental factors contributed most to the relative isolation of human groups living in central and southern Africa from the rest of Afro-Eurasia's population prior to circa 1000 CE.?
Correct Answer: C
Rationale: The desertification of the Sahara significantly impacted human migration and interaction, creating a barrier that isolated central and southern African groups from those in northern Africa and beyond. This environmental change limited movement and trade routes, fostering distinct cultures.
In contrast, the formation of Lake Victoria (A) created a local ecosystem but did not serve as a significant isolating barrier on a larger scale. The submersion of the Bering Land Bridge (B) pertains to migration patterns between Asia and the Americas, irrelevant to Africa. The Little Ice Age (D) affected global climates but had a minimal direct impact on the isolation of African populations during the specified period.
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