Which of the following was a contribution of both the Shang Dynasty and ancient Egypt? A : a writing system based on pictographs
B : advanced mummification practices
C : a strong naval force
D : advanced silk-making techniques

answering for the other person to get the crown thingy<3

Explanation:

ik im late, sorrr :(

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.