C. Overcrowding in the coastal cities.
Hope I'm not too late...
Good luck!
Answer and Explanation:
Environmental possibility is a thought that states that nature provides a means of modifying the human race, but it is not the main factor in the evolution of society, being a mere supplier of resources. In this teaching, the human being is the main causative agent of evolution.
Geographical determinism is thought where nature is placed as the main modifying agent of society. This is because it is nature that promotes physical and psychic changes in human beings.
Environmental probabilism is the thought that allows human beings, to see the environment as the place that presents probabilities of occurrences of various events, which can be determined through the observation of environmental characteristics.
Well the big cities were by the river back then for importing goods by the boat
