Persian Wars · World History

What was the primary cause of the initial conflict between the Persian Empire and the Greek city-states?

  1. The Athenian invasion of Susa
  2. The Ionian Revolt supported by Athens and Eretria
  3. A dispute over the control of the grain trade in Egypt
  4. The assassination of Cyrus the Great
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Correct answer: The Ionian Revolt supported by Athens and Eretria

The Ionian Revolt (499–493 BCE) began when Greek city-states in Asia Minor rebelled against Persian rule. Athens and Eretria sent ships to assist, and the rebels burned Sardis, the Persian provincial capital. When Darius I crushed the revolt, he vowed vengeance against Athens and Eretria, directly triggering the first Persian invasion of mainland Greece.

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