Answer:
B.) internal violence
Step-by-step explanation:
In the 90´s the african country of Nigeria had the first democratic elections after a long time of dictartorship, they were won by MKO Abiola and he was overthrown by the military dictator Ibrahim Babadinga and he annuled the elections backed up by the military of Nigeria, along the decade of the 1990´s several civil wars and different assasinations of both regimens the interim Government formed by the family of MKO Abiola, and the military dictator Ibrahim Babadinga, that why the international community who didn´t want to support one or the other just expressed outrage over the strong and cruel internal violence that the country was living.