Isku soo wada duuboo xaqiiqooyinka ka jawaab tan: Roger O. Egeberg wuxuu ahaa Kuxigeenka Xoghayaha Caafimaadka iyo Arimaha Sayniska inta lagu guda jiray maamulka madaxweyne ka soo shaqeeyey inta lagu guda jiray sanooyinkee?
1969 ilaa iyo 1974