[PAR] [TLE] Boyar [SEP] A boyar was a member of the highest rank of the feudal Bulgarian, Kievan, Moscovian, Wallachian and Moldavian and later, Romanian aristocracies, second only to the ruling princes (in Bulgaria, tsars), from the 10th century to the 17th century.  The rank has lived on as a surname in Russia, Ukraine and Romania, and in Finland, where it is spelled "Pajari". [PAR] [TLE] Feudalism [SEP] Feudalism was a combination of legal and military customs in medieval Europe that flourished between the 9th and 15th centuries.  Broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.
[PAR] [TLE] Boyar [ SEP ] A boyar was a member of the highest rank of the feudal Bulgarian , Kievan , Moscovian , Wallachian and Moldavian and later , Romanian aristocracies , second only to the ruling princes ( in Bulgaria , tsars ) , from the 10th century to the 17th century . The rank has lived on as a surname in Russia , Ukraine and Romania , and in Finland , where it is spelled " Pajari " . [PAR] [TLE] Feudalism [ SEP ] Feudalism was a combination of legal and military customs in medieval Europe that flourished between the 9th and 15th centuries . Broadly defined , it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour .
A boyar was a member of a system that flourished in medieval Europe between what centuries?
A boyar was a member of a system that flourished in medieval Europe between what centuries ?
9th and 15th
9th and 15th