In 1970, the Portuguese launched Operation Gordian Knot, which was initially successful at eliminating large numbers of FRELIMO guerrillas and their support bases in the north of the country
Mu 1970, Apwitikizi anayambitsa Operation Gordian Knot, yomwe poyamba idapambana kuthetsa zigawenga zambiri za FRELIMO ndi mabungwe awo omwe ali kumpoto kwa dzikolo