▁first ▁attacks ▁against ▁government ▁install ations ▁on ▁ 1 6 ▁December ▁ 1 9 6 1 . ▁It ▁was ▁subsequently ▁class ified ▁as ▁a ▁terror ist ▁organisation ▁by ▁the ▁South ▁African ▁government ▁and ▁the ▁United ▁States , ▁and ▁b anned . ▁ ▁For ▁a ▁time ▁it ▁was ▁head qu arter ed ▁in ▁the ▁aff lu ent ▁sub urb ▁of ▁Riv onia , ▁in ▁Johannes burg . ▁On ▁ 1 1 ▁July ▁ 1 9 6 3 , ▁ 1 9 ▁AN C ▁and ▁u M kh onto ▁we ▁S iz we ▁leaders , ▁including ▁Arthur ▁Gold reich ▁and ▁Walter ▁S is ulu , ▁were ▁arrested ▁at ▁Lil ies leaf ▁Farm , ▁Riv onia . ▁The ▁farm ▁was ▁priv ately ▁owned ▁by ▁Arthur ▁Gold reich ▁and ▁bought ▁with ▁South ▁African ▁Commun ist ▁Party ▁and ▁AN C ▁funds , ▁as ▁individuals ▁who ▁were ▁not ▁white ▁were ▁unable ▁to ▁own ▁a ▁property ▁in ▁that ▁area ▁under ▁the ▁Group ▁Are as ▁Act . ▁This ▁was ▁followed ▁by ▁the ▁Riv onia ▁Tri al , ▁in ▁which ▁ten ▁leaders ▁of ▁the ▁AN C ▁were ▁tried ▁for ▁ 2 2 1 ▁milit ant ▁acts ▁designed ▁to ▁" f oment ▁violent ▁revolution ". ▁Wil ton ▁M k way i , ▁chief ▁of ▁u M kh onto ▁we ▁S iz we ▁at ▁the ▁time , ▁escaped ▁during ▁trial . ▁ ▁u M kh onto ▁we ▁S iz we ▁was ▁integrated ▁into ▁the ▁South ▁African ▁National ▁Def ence ▁Force ▁by ▁ 1 9 9 4 . ▁ ▁Mot iv ations ▁for ▁formation ▁According