Prussia became the seat of this group's powershortly after the fall of Acre, where this group had originally been founded to aid Christian pilgrims andcrusaders.
This group was technically supposed to cease the "reisen," their annual raids into Lithuania, afterthe marriage of Jagiello and Jadwiga. They absorbed a similar group, the Brothers of the Sword, inLivonia. Responding to a call for help from Conrad of Moravia, this group crusaded against thepagans of (*) Prussia and eventually turned it into a separate state. Their Livonian branch's expansion eastwas stopped by Alexander Nevsky at the Battle on the Ice. Prussia became the seat of this group's powershortly after the fall of Acre, where this group had originally been founded to aid Christian pilgrims andcrusaders. For 10 points, name this military order whose members were mostly German.
This group was technically supposed to cease the "reisen," their annual raids into Lithuania, afterthe marriage of Jagiello and Jadwiga.
Teutonic Knights [or Teutonic Order; prompt on "Livonian Brothers of the Sword" or "Livonian Brothers" before it is read]