Which west african empire's decline was largely due to lack of a clear succession plan

FOR APEX: I am positive the answer is mail empire

it's no easy i swear it's hard

he did it to save us from our sins, so we can see him in heaven 1 day. it's because he loves us so much. he used himself as the final sacrifice, so that we could be forgiven for our sins, so that we can see him in heaven, if we believe.