I would say that the answer is either C or B but i am not positive.
Answer:
A. The Tiber River
Explanation:
The Tiber provided a source of fresh water to Romans and was also an important route for trade and transportation.
There is little flat land on which to grow crops
Mount. Everest
Great China Wall
Taklimakan Desert.
hope that helped
The Cold War was a period of heightened military and political tensions between the United States and its allies on one side and the Soviet Union and its allies on the other. Both superpowers engaged in a variety of contests against each other, including military brinkmanship and proxy wars in smaller countries to spread their ideologies. Ultimately, the economic engine of capitalism won out and the Soviet Union collapsed.