O waati kelenna tiɲɛ ni ngalo fɛsɛfɛsɛli Anglo-Amerikikaw ka mirina kɛli ka fanga sɔrɔ, Erɔpu kɔnɔ, hakilina kura caama kɔrɔtanna minu tun ɲɛsinnenbɛ o waati sigidaw jaala tigɛli ma san 1950w ni san 1980w.