What cities did airplanes drop atomic bombs on during World War II? Berlin and Munich

Tokyo and Osaka

London and Paris

Hiroshima and Nagasaki

Stalingrad and Moscow

South central region

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.