Original sentence: After crushing yet another revolt by Athens and Thebes, he was finally able to turn his attention towards the east and the Persians.His youth and apparent inexperience prompted many of the southern Greek and neighboring barbarian states to renounce Macedonian hegemony, but with prompt action and a demonstration of force, Alexander was able to deal with all problems and reconfirm the support and recognition of the southern Greeks
Edited sentence: His youth and apparent inexperience prompted many of the southern Greek, and neighboring 'barbarian' states to renounce Macedonian hegemony, but with prompt action and a demonstration of force, Alexander was able to cut short the rebellion of the southern Greeks, and reconfirm his hegemony.Then, after crushing yet another revolt by Athens and Thebes, he was finally able to turn his attention towards the east and the Persians