Which individual was a key player in the Harlem Renaissance ? a. ernest Hemingway
b. georgia o keefle
c. gertude stein
d. langston Hughes ​

the answer will be b georia o keefle

is there multiple choice or do you need like an essay answer?

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.