Answer: It causes flooding which washed away fertile top soil.
Explanation:
Answer:
The need for raw materials for the factories and increased food supplies for the growing population in urban centers had led to the growth of export economies around the world that had specialized in commercial extraction of natural resources and the production of food and industrial crops.
Japan felt disrespected by the treaty of Portsmouth provisions, because "it did not get to keep all of the territory that it was promised"--mostly due to the fact that there was very little oversight of the treaty terms.