Lenin was the leader of the radical socialist Bolshevik Party (later renamed the Communist Party), which seized power in the October phase of the Russian Revolution of 1917. ... Lenin held the highest post in the Soviet government until his death in 1924, when Joseph Stalin assumed power.
The president is at the top of the Federal Bureaucracy simply because that's the way that the Constitution made it. So, the Constitution makes the President the chief administrator of the Federal Government.
After the Ghana fell because invading forces and internal disputes Mali rose to greatness under the leader of a legendary king named sundials the lion king later another great leader rose named Mansa Musa who had extended the empire however after his death his sons could not hold the empire together. I hope this is right