<prompt> Qedela umusho olandelayo: Lapho izingxoxo zingafinyeleli esivumelwaneni ekupheleni kweM M yesibili ngoJulayi 1, 1971, izisebenzi zasemathekwini zaphuma kuwo wonke amachweba asogwini olusentshonalanga. Lokhu kwakuwukushaya kokuqala okuhlelwe ngokuphelele yinyunyana kusukela  <response>: Ngo-1934, futhi ngokokuqala ngqá lonke ugu lwavalwa ngenxa yokuphikisana nabaholi bezinyunyana. 