You can see this list as a kind of timeline, and each empire contributing to cultural, political, or social development. The Phoenicians were the first to understand the importance of the trade between nations, and the use of sailing to spread culture and polices. Then, we have the Assyrians, who developed war, and how to conquest other nations and obtain their goods. Finally, we have the Persians who tried to understood how to deal with armed conflicts and obtain a better experience of the war for both sides.
