Advance
Foreign Embassies
Diplomacy is a delicate balancing act that requires us to balance the needs and desires of multiple entities at the same time. Maintaining embassies in other countries that report to us on a regular basis will give us the information needed to better weigh our diplomatic options.
Advance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Discovery tree itself.
