Which factor contributed the most to urbanization in the late 1800s?

Works were drawn to industrialization in the cities increasing both urbanization and industrialization at the same time

C. To explain why people in the region have to feed their animals fish.

Explanation: In the given excerpt from chapter 8 of "The Travels of Marco Polo," we can see the description of the animals (sheeps, oxen, camels, and ponies) of the place the speaker is in. He explains that in that place, all the domestic animals are fed with fish, because it is the driest place in the world, therefore there is no grass. So the correct answer is the corresponding to option C.