▁Ter eng gan u . ▁However , ▁as ▁the ▁war ▁approached ▁S out heast ▁Asia , ▁the ▁Dutch ▁act ively ▁engaged ▁in ▁the ▁def ensive ▁system ▁alongside ▁the ▁British , ▁and ▁the ▁British ▁decided ▁to ▁sh elve ▁the ▁rest oration ▁plan . ▁ ▁In ▁the ▁after math ▁of ▁the ▁war ▁and ▁the ▁struggle ▁against ▁Dutch ▁rule , ▁several ▁ex ile ▁associations ▁collect ively ▁known ▁as ▁the ▁Ger ak an ▁K es ultan an ▁R ia u ▁( R ia u ▁Sultan ate ▁Mov ement ) ▁emer ged ▁in ▁Singapore , ▁planning ▁for ▁a ▁rest oration . ▁Some ▁of ▁the ▁groups ▁dated ▁from ▁as ▁early ▁as ▁the ▁dissol ution ▁of ▁the ▁s ultan ate , ▁but ▁started ▁to ▁gain ▁momentum ▁following ▁the ▁post - world ▁war ▁confusion ▁and ▁politics . ▁From ▁the ▁as hes ▁of ▁political ▁uncertainty ▁and ▁frag ility ▁in ▁the ▁East ▁Ind ies ▁following ▁the ▁World ▁War ▁II , ▁a ▁royal ist ▁fa ction ▁known ▁as ▁Pers ato e an ▁Mel ay u ▁Ri ouw ▁Sed j ati ▁( PM RS ) ▁( Associ ation ▁of ▁the ▁Ind igen ous ▁R ia u ▁Malays ) ▁emer ged ▁to ▁call ▁for ▁the ▁rest oration ▁of ▁the ▁R ia u - L ing ga ▁Sultan ate . ▁The ▁council ▁was ▁finan cially ▁back ed ▁by ▁rich ▁R ia u ▁Mal ay ▁é migr és ▁and ▁Chinese ▁mer ch ants ▁who ▁hoped ▁to ▁obtain ▁tin ▁con cess ion . ▁Initial ly ▁founded ▁in ▁High ▁Street , ▁Singapore , ▁the ▁association ▁moved ▁to ▁Tan j ung