▁of ▁the ▁Bulgar ian ▁national ▁liber ation ▁movement ▁in ▁Mac ed onia . ▁This ▁fact ▁allowed ▁for ▁a ▁close ▁political ▁al liance ▁between ▁Ivan ▁Mih ail ov ▁and ▁the ▁Mac ed onian ▁Patri otic ▁Organ ization ▁in ▁the ▁United ▁States , ▁Canada ▁and ▁Australia ▁in ▁the ▁late ▁ 1 9 4 0 s . ▁Mih ail ov ▁became ▁the ▁em igr ants ' ▁ide ological ▁leader , ▁and ▁the ▁M PO ▁supplied ▁the ▁people ▁and ▁funds ▁for ▁the ▁political ▁struggle . ▁With ▁the ▁help ▁of ▁the ▁United ▁Nations ▁and ▁various ▁human itar ian ▁organizations , ▁the ▁human ▁rights ▁of ▁Bulg ari ans ▁repr essed ▁by ▁T ito ▁in ▁Y ug oslav ia ▁were ▁protected . ▁In ▁order ▁to ▁provide ▁a ▁basis ▁for ▁the ▁Bulgar ian ▁em igr ant ▁movement ▁and ▁create ▁a ▁historical ▁record , ▁Ivan ▁Mih ail ov ▁started ▁writing ▁his ▁mem oires ▁from ▁the ▁ 1 9 5 0 s ▁to ▁the ▁ 1 9 7 0 s , ▁which ▁the ▁M PO ' s ▁Central ▁Committee ▁published ▁in ▁four ▁large ▁volumes . ▁These ▁works ▁provide ▁serious ▁proof ▁of ▁Bulgar ian ▁national ▁interests ▁from ▁the ▁ 5 0 s ▁to ▁the ▁ 7 0 s . ▁After ▁the ▁change ▁of ▁Bulgar ian ▁policy ▁toward ▁the ▁Mac ed onian ▁Question ▁in ▁the ▁late ▁ 1 9 5 0 s , ▁Mih ail ov ▁was ▁largely ▁forgotten ▁about ▁and ▁according ▁to ▁some ▁sources ▁even ▁in ▁the ▁ 1 9 7 0 s ▁and ▁ 1 9 8 0 s ▁the ▁Committee ▁for ▁State