Vladimir, also known as Vladimir the Great was actually a double prince: first he was a prince of Novgorod, after his father (answer D, I would go with this answer) and then we was the Grand Prince of Kiev (answer C.) because he united the lands into Kievan Rus.
So... we has born a prince of Novgorod, but died a Grand Prince of Kievan Rus. The question should be more specific.
C
Pog Pog Pog Pog Pog Pog Pog Pog
Answer:
Because we learn new things about our country our constituent assemblies about our prides .