The major early turning point in the rise of the Persian Empire was the

AVictory of Darius at Salamis
BVictory of Cambyses over Rome
CVictory of Cyrus over Lydia
DVictory in the Persian Wars

Verified Answer :

The major early turning point in the rise of the Persian Empire was the "c. Victory of Cyrus over Lydia," since it was during this battle that dominance was finally challenged.