Buuxi weedhan soo socota: Xiriirka ka dhexeeya PCI iyo Midowga Soofiyeeti ayaa si tartiib tartiib ah u burburay markii xisbigu ka fogaaday addeecidda Soofiyeetiga iyo Marxist-Leninist orthodoxy sannadihii 1970-naadkii iyo 1980-naadkii iyo dhinaca Eurocommunism iyo International Socialist. PCI waxay raadineysay iskaashi lala yeesho xisbiyada Socialist iyo Christian Democracy (Historic Compromise). Si kastaba ha ahaatee, hoggaamiyaha xisbiga Christian Democrat Aldo Moro
Afduubkii iyo dilkii ay geysteen kooxaha "Red Brigades" bishii May ee sanadkii 1978-kii ayaa dhamaaday rajo kasta oo ku saabsan in heshiis noocan oo kale ah la gaaro. Heshiiska waxaa si weyn looga tagay siyaasada PCI sanadkii 1981. Xisbiga Midnimada Proletarian wuxuu ku biiray PCI sanadkii 1984.