Now, consider these questions to formulate your outline and your fourth paper (Physical Systems):
1.What happened to the ecosystems of the region when the people changed the environment? Where the changes made for the better or for the worse, for the region?
2.How what the people did, regarding the regions physical geography, affect its political future and institutions?
3.Make a final statement including your opinion and conclusions.

the sources should be from newspaper and the book . the name of the book is Hobbs,J.(2013)fundamentals of world regional geography (3e) Belmont ,CA : Brooks/Cole,Cengage Learning .ISBN :13-978-1-133-11378-2