The answer is C. The Aztecs developed an irrigation system that brought water from nearby rivers to their crops.
Aztecs was among the first civilizations that utilize technology such as dams<span>, aqueducts, and gates to enhance their irrigation system.
Their irrigation system was so complex, it even much more advanced compared to the irrigation system of the European nations that came to invade them</span>
Social and economic reform. One of the reasons that the people loved Napoleon was that he made life very good for them. When the monarchy was reinstalled, life went back to the way it was before the French Revolution. Despite Napoleon being French, his reach went as far east as Russia. While he was in power, the people got used to living in a meritocracy of sorts, while once he was gone, it went back to an aristocracy.
Maurya and Gupta dynasties were able to unite India.
Answer:
Explanation:
In 1947, President Harry S. Truman pledged that the United States would help any nation resist communism in order to prevent its spread. His policy of containment is known as the Truman Doctrine.