Leaders of early Greek oligarchies came mainly from which group? A. the poor
B. the rich
C. foot soldiers
D. judges

I choose option B

Explanation: I hope this helps, and I also hope this answer is correct, also, I hope I get brainliest.

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.

answer; (regions)