Ukurikije amateka yiterambere, ibirahuri birashobora kugabanywamo ibirahure bya kera, ikirahure gakondo, ikirahure gishya nikirahure cyatinze. (1) Mu mateka, ikirahure cya kera gikunze kuvuga igihe cy'ubucakara. Mu mateka y'Ubushinwa, ikirahure cya kera nacyo kirimo societe ya feodal. Kubwibyo, ikirahure cya kera rusange ...
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