Most mountainous I think. I'm pretty sure that is right.
I think that the answer is the third one. Government leaders find it easy to compromise
One of the two main differences between the governmental structure of the Songhai kingdom and the governmental structures of Ghana and Mali is that Songhai was divided into five provinces, while Ghana and Mali had strong central governments. Another difference is that Ghana and Mali's governments were based mostly on religious ideals, while Songhai was not.