Herbert Hoover was nicknamed the Food Czar because he provided food to Europe. He was appointed head of the Food Administration by President Wilson.
Wars, famine, natural disasters, etc..
The candidate had to be trained as a scholar and then pass a series of written examinations. The Chinese civil service system, established in 124 B.C.E., required potential officials to be trained as scholars and then pass rigorous examinations to qualify for office.
