On april 26, 1986, there was a major disaster in the ukrainian city of chernobyl. what kind of disaster was it?

answer; i believe that the correct answer is (d); // supercontinent

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.