 Eduardo Mondlane 's successor , future President of Mozambique , Samora Machel , acknowledged assistance from both Moscow and <unk> , describing them as " the only ones who will really help us . ... They have fought armed struggles , and whatever they have learned that is relevant to Mozambique we will use . " <unk> received tuition in subversion and political warfare as well as military aid , specifically shipments of 122 mm artillery rockets in 1972 , with 1600 advisors from Russia , Cuba and East Germany . FRELIMO adopted <unk> @-@ <unk> at an early stage . 
