Nigeria’s multi-ethnicity – over 250 ethnic groups and 500 languages – has at times been a source of conflict instead of strength.
Yawan mabambamtan ƙabi'lu a Nijeriya - akwai fiye da ƙabilu 250 da kuma harsuna 500 - wani lokacin kan zama mafarin rikici maimakon haɗin kai.