What was the western boundary of the Achaemenid Empire at its maximum extent?
Mediterranean Sea and Hellespont
Red Sea
Caspian Sea
Black Sea
Answer
At its maximum extent under Cyrus the Great's successors, the Achaemenid Empire's western boundary was the Mediterranean Sea and Hellespont. This vast empire stretched from parts of the Balkans and Southeast Europe to the Indus Valley in the east.
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