Was officially proclaimed a national u. s. holiday by congress in what year?
a) 1621
b) 1892
c) 1941
d) 1971

The correct answer is C) 1941. Hope this helps.

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.