I don't really understand this and i was hoping someone could explain

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.

aliens arent real sorry bud

you answered your own : -/

answer; multidisciplinary;