The victory of the Battle of Issus allowed Alexander to expand his empire greatly as well as added more funds for his army. It also showed his citizens that despite his power he respects and treats his new citizens no different from his original ones. The Battle of Gaugamela was crucial because it showed Alexander’s military prowess. He created a scouting party that encountered a small advance party that they captured. The captured told Alexander the amount of troops, traps and obstacles on the field; his opponent’s forces greatly outnumbered Alexander’s own army. However, with all the information given he carefully designed a battle plan as well as trusted his well-trained army to defeat Darius. The power of his troops caused Darius to flee again. This victory allowed Alexander to be the King of all