i have 20 mins left to turn this in pl help hurry" What were people who lived off the animals and plants of a given region called"

Freedom of religion, freedom of speech, being protected by our military and first responders on a daily basis and many many more. 

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.