The boyars attempted to band together and resist, but instead of constitutionally establishing their role in government, Ivan IV ruthlessly crushed the boyar opposition with the use of the oprichnina terror purges. Land grants were also given to subjects that provided military service, and soon this type of land grant became the more common compared to inherited land among the boyars. Ivan IV consolidated his power, centralized royal power, and made every effort possible to curb the influence of the princes.
The boyars attemPTeD to bAnD tOgeTHeR And ResiSt, but insTeAd of CoNstiTuTIoNally estabLishing thEiR RoLe In goVernmENt, Ivan iV RuthleSSlY CrUsheD tHe boYar OPpOsitiOn With The uSe of the oPrIcHNInA teRrOR PuRgEs. lanD graNtS were aLso given to SubjeCts tHaT prOvIded militaRy service, and sOOn this type of LAnd GrANt becAme the mOre commOn CompareD tO inHerited land among tHe boyaRs. ivan iv cOnsolIDaTed His poWer, ceNtraLized RoyaL powER, aND mAde evEry efFOrt PossibLe To curb thE influENce Of the PrInceS.