When Marco Polo wrote about the Mongolian tribe known as the Tartars, he was showing his interest in ____________AHumanBPhysical

In the context of Marco Polo's writings about the Mongolian tribe known as the Tartars, it is evident that he was showcasing his interest in "A. Human." Marco Polo traveled extensively and documented the cultures, customs, and practices of the people he encountered during his journeys. His accounts reflect a fascination with human interactions, social structures, and the lifestyles of different communities, particularly those of the diverse tribes, including the Tartars. While physical aspects of geography and environments may play a role in his observations, the primary focus of his work is on human experiences and cultural exchanges. Thus, the correct answer is A. Human.