 With the initial FRELIMO attacks in Chai Chai , the fighting spread to Niassa and Tete at the centre of Mozambique . During the early stages of the conflict , FRELIMO activity was reduced to small , platoon @-@ sized engagements , harassments and raids on Portuguese installations . The FRELIMO soldiers often operated in small groups of ten to fifteen soldiers . The scattered nature of FRELIMO 's initial attacks was an attempt to disperse the Portuguese forces . 
 With the initial FRELIMO attacks in Chai Chai , the fighting spread to Niassa and Tete at the centre of Mozambique . During the early stages of the conflict , FRELIMO activity was reduced to small , platoon @-@ sized engagements , harassments and raids on Portuguese installations . The FRELIMO soldiers often operated in small groups of ten to fifteen soldiers . The scattered nature of FRELIMO <a href='null_genetive' title='1'><mark>'s</mark></a>initial attacks was an attempt to disperse the Portuguese forces . 
With da initial FRELIMO attacks in Chai Chai , tdafightin spread to Niassa and Tete at the centre of Mozambique . durin the early stages of thdaonflict , FRELIMO activity was reduced to small , platoon @-@ sized engagements , harassments and raids on Portuguese installations . ThedaELIMO soldiers often operated in small groups of ten to fifteen soldiers . The dattered nature of FRELIMO  initial attacks was an attempt to disperse the Portuguese forces .