I think it is d. Persian empire but I could be wrong :/
a 1950 supreme court decision ruling that the "separate but equal " formula generally unacceptable for professional schools
sweatt v painter
The "time bombs" being experienced
were the risk of chaos as there was no central power with the federal
government and states could have broken to their own. Because of the
decentralization of power it was very difficult to collect taxes
and keep the government going smoothly, the trade was difficult between various
states and all of these were real threats at that time.