The committee system allows congress to deal with which of the following
1- major votes on war and treaty
2-proposals and petitions
3-thousands of bills each year
4-criticisms of inaction

The committee system allows Congress to deal with which of the following? 
thousands of bills each year 

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.