Original 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 eliminate any idea of rebellion among the southern Greeks, and reconfirm his hegemony
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 eliminate any idea of rebellion among the southern Greeks and reconfirm their support and recognition