▁uncle ▁of ▁his ▁father , ▁Io an ▁Man iu . ▁ ▁After ▁serving ▁as ▁an ▁ad visor ▁for ▁Arch du ke ▁Franz ▁Ferdinand , ▁coun sel ing ▁on ▁the ▁latter ' s ▁projects ▁to ▁re define ▁the ▁H abs burg ▁states ▁along ▁the ▁lines ▁of ▁a ▁United ▁States ▁of ▁Gre ater ▁Austria , ▁Man iu ▁moved ▁towards ▁the ▁option ▁of ▁a ▁union ▁with ▁the ▁Roman ian ▁Old ▁Kingdom ▁when ▁the ▁Arch du ke ▁was ▁assass in ated ▁in ▁Sar aje vo ▁in ▁ 1 9 1 4 . ▁ ▁P NR ▁leadership ▁T ogether ▁with ▁such ▁figures ▁as ▁Vas ile ▁Gold i ș , ▁G he org he ▁Pop ▁de ▁B ă se ști , ▁the ▁Roman ian ▁Orth odox ▁cler ic ▁Mir on ▁Cr iste a , ▁and ▁Alexand ru ▁Va ida - V o ev od , ▁he ▁engaged ▁in ▁an ▁int ensive ▁union ist ▁campaign , ▁leading ▁to ▁the ▁Al ba ▁I ul ia ▁gather ing ▁on ▁December ▁ 1 , ▁ 1 9 1 8 ▁( d uring ▁which ▁Roman ians ▁demanded ▁separation ▁from ▁Austria - H ung ary ). ▁On ▁December ▁ 2 , ▁Man iu ▁became ▁head ▁of ▁Trans ylvan ia ' s ▁Directory ▁Council ▁- ▁a ▁position ▁equivalent ▁to ▁inter im ▁governor ship . ▁ ▁After ▁the ▁creation ▁of ▁Gre ater ▁Roman ia , ▁the ▁P NR ▁formed ▁the ▁government ▁in ▁Buch ar est — a ▁cabinet ▁led ▁by ▁Al . ▁Va ida - V o ev od ▁and ▁al lied ▁with ▁I on ▁Mi hal