Advance
A Seed Among Thorns
The world is huge, and we should not grow complacent with our position in it, for our neighbors will not necessarily do the same. We shall set our sights on expanding our borders and making ourselves stronger, lest we risk being swallowed up by growing neighbor states.
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.
Modifiers
Definitionin_game/common/advances/4_choices_adm.txt:154
156icon = expansionism
157for = adm