Which group did Heraclius ally with to launch a counterattack against Khosrow II?
Arabs
Turks
Avars
Slavs
Answer
Heraclius, the Byzantine emperor, allied with the Turks to launch a risky but successful counterattack against Khosrow II's forces. This counterattack pushed deep into the heart of Persia and ultimately led to the downfall of Khosrow II and the reversal of all Sasanian gains in the war against the Byzantines.
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