text:  Shortly after <unk> 's accession to the throne in 54 , the Roman vassal kingdom of Armenia <unk> their Iberian prince <unk> and he was replaced with the <unk> prince <unk> . This was seen as a <unk> invasion of Roman territory . There was concern in Rome over how the young Emperor would handle the situation . <unk> reacted by immediately sending the military to the region under the command of <unk> <unk> <unk> . The <unk> temporarily relinquished control of Armenia to Rome . 
  