The factor that helped the United States in making the inland transportation and commerce to be possible is in letter C. The intricate river system. I hope you are satisfied with my answer and feel free to ask for more if you have clarifications and questions.
Answer: Mexico city is in central America
Explanation: this question is a little bit tricky since Mexico (the country) in general is located part in North America and part in Central America. However, Mexico city which is the capital of Mexico is definitely located in North America.
Mediterranean coastal areas
How does the shortage of water affect the community?
What are ways we can avoid water shortages?
How water shortages can be prevented?
What you should do if a water shortage happens?
The UK would be the best because they elect an all powerful person, I think.