Pyrtaneion

The Pyrtaneion or Civic Centre is the nerve centre of your empire. It is at this very place that councils are deliberated, and new civics for the conduct of your state are adopted.

Trunk research
Only one technology, Classical Age, is available and it is free and instantaneous. You will need to research at least 14 technologies from the Civic Centre before it can be accessed.

Military research [[file:military.jpg|link=library/Alexander##Military research|Military]]
The most important branch of Alexander, Military research raises your Population Limit and the number of new units you can access. A successful game will require you to raise your population cap as far as possible, and to upgrade and access new units whereso possible.

Administration research [[file:2009-06-26_16.00.10.jpg|Administration|link=Library/Alexander#Administration research]]
The role of Administration cannot be underestimated. Aside from unlocking more cities and upgrades, it also increases the geopolitical borders of your faction, pushing its reach across the game world. The amount of tax your nation can collect is very much dependent on how vast its size is, so it is never a bad ideas to raise the level of your Administration research.