list ▁identity , ▁Bil ba o ▁approached ▁the ▁M ell ista ▁branch ▁of ▁Trad itional ism . ▁ ▁He ▁remained ▁active ▁also ▁as ▁a ▁Catholic ▁politician , ▁since ▁the ▁early ▁ 1 9 2 0 s ▁heading ▁the ▁B isc ay ▁section ▁of ▁A cción ▁Cat ó lica ; ▁he ▁later ▁took ▁part ▁in ▁the ▁first ▁national ▁con gress ▁and ▁delivered ▁an ▁address . ▁In ▁ 1 9 2 9 ▁he ▁worked ▁to ▁launch ▁a ▁new ▁Catholic ▁political ▁grouping , ▁but ▁the ▁initi ative ▁came ▁to ▁n aught ▁as ▁it ▁was ▁gre et ed ▁with ▁at ▁best ▁lu ke w arm ▁reception ▁from ▁the ▁prim ate ▁Seg ura . ▁During ▁the ▁dict ab landa ▁period ▁Bil ba o ▁approached ▁the ▁or phan ed ▁monarch ist ▁prim oder iver istas ▁from ▁Un ión ▁Mon ár qu ica ▁Nacional , ▁speaking ▁at ▁their ▁public ▁meet ings . ▁ ▁Republic ▁ ▁S ources ▁consult ed ▁provide ▁contradict ory ▁information ▁on ▁Bil ba o ' s ▁relations ▁with ▁main stream ▁Carl ism ▁after ▁the ▁fall ▁of ▁the ▁mon archy . ▁Some ▁authors ▁claim ▁that ▁though ▁many ▁Car lists ▁felt ▁that ▁advent ▁of ▁the ▁milit antly ▁sec ular ▁Republic ▁required ▁un ification ▁of ▁various ▁Trad itional ist ▁branches , ▁Bil ba o ▁was ▁not ▁enthus i astic ▁about ▁returning ▁under ▁the ▁command ▁of ▁Don ▁Ja ime . ▁Other ▁sch ol ars ▁maintain ▁that ▁already ▁in ▁April ▁ 1 9 3 1 ▁he ▁edited ▁the ▁claim ant ' s ▁pro clam ation , ▁which ▁instruct ed ▁the ▁Car lists