Which state gained its independence from Mexico and was annexed by the United States before the Mexican-American War? *

A. New Mexico

B. Texas

C. Arizona

D. Oklahoma

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.