@Asher Carthage has embassies because it's historically relied on foreign troops and technology to wage war (much like Saudi Arabia and UAE are doing today).

If Carthaginians have an Iberian embassy, shouldn't Iberians have a Carthaginian embassy. Also for the Celtic embassy

What if you guys added some backgrounds for when you first open the game

Hittite unities and structures, opinions, things to change in their architecture, accepted ideas.https://github.com/0ADMods/aristeia/tree/mycenae_and_minoan

There isn't anything wrong with the AI difficulty names, and most other RTS games are using this nomenclature. Professional? So, you can become a professional in 0 A.D.? Professional is a person who has a profession. And Easy is way too easy for an intermediate player.