Advance
Peasant Recruitment
It has become clear to us that we can no longer rely on foreign volunteers to fill up our army ranks, no matter how experienced and valuable they might be. Instead, we will develop a system that would allow us to levy our subjects, both German and non-German folk alike.
TeutonsCountrypotentialAdvance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Renaissance tree itself.
Modifiers
Definitionin_game/common/advances/country_TEU.txt:31
32content_priority = 200