What was the cause of WWI?

Assasination of Archduke Franz Ferdinand

Explanation: Hope this helps :) Brainliest?

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.