challenge: What territories were granted to Dietrich, the younger brother of Margrave Henry III, in 1265?
  
  A. The Duchy of Saxony and the County of Anhalt
  B. The Margraviate of Landsberg in the Osterland
  C. The Landgraviate of Thuringia and the Palatinate
  D. The Margraviates of Meissen and Lusatia
  Answer: 