Answer:
well the Constant warring between the city states weakened Greece and made it difficult to unite against a common enemy like Rome. Alexander the Great conquered the ancient Greek city-states in 338 BC.ecline and fall of Ancient Greece. Here are some of the primary causes:
Explanation:
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The Chinese came to America because they felt that they lacked opportunity in China, and they also came to America to acquire vast knowledge about scientific achievements in the Americans.