He formed a robust supply line for his armies that reached from the Aegean Sea into Greece. As his army slowly advanced into Greece, the Greeks quickly implemented a defense. Cities such as Sparta, Athens, Delphi, and Eretria formed an alliance.
他为他的军队建立了一条从爱琴海延伸到希腊的强大补给线。随着他的军队慢慢进入希腊,希腊人迅速实施防御。斯巴达、雅典、德尔福和埃雷特里亚等城市结成联盟。