1. Alexander the Great: Conquest & Empire
1. How events unfolded
Macedonian victory over Persia brought Egypt, the Levant and much of western Asia under Alexander’s armies. At Issus and Gaugamela, the defeat of royal forces opened treasuries and administrative centers to a new ruler. Seizing wealth paid soldiers and supported further campaigns, but governing the territory demanded far more than battlefield success.
2. The costs & gains
Alexandria in Egypt became a lasting commercial and intellectual center, while other cities endured sieges, forced movement and violence. The destruction of Thebes in 335 BCE, before the Persian campaigns, showed how a warning to rivals could devastate a community. Across the empire, local officials, tax systems and roads often survived because they were useful to the conquerors.
3. What endured
After Alexander died, his generals divided the empire. Hellenistic kingdoms combined Greek-speaking elites with older institutions; commerce and scholarship expanded unevenly. The contrast is central: armies could capture a treasury quickly, but stable revenue required cultivators, merchants, ports and cities to keep functioning.