Alexander the Great was one of the greatest leaders known to man. He created and controlled one of the largest empires in ancient history. Alexander was known for his tactical ability and was undefeated in battle.  Because of Alexander Greek culture was spread into the east. He believed in violence and that violence could solve problems. He also believed that he was a descendent of Achilles and Hercules and that any descendent of a god should image that god. He changed the world by uniting it into one nation, which spread Greek culture into the east.