The unification of the Greek city-states was called the?

In the last, Hellenistic, period, Greece was unified by the conquests of Alexander the Great. ... Greek culture had a powerful influence on the Roman Empire, which carried a version of it to many parts of the Mediterranean region and Europe. In this way, classical Greece was part of the foundation of Western civilization.

Explanation:

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answer; (d) i believe that the correct answer is americans finally ran out of ammunition;