Public administration is defined in this text as the collectivity of public bureaus at the different levels of government, including the members of government under whose superision and for whose support they function. Ministerial departments and agencies at the central, provincial,or state levels of government,and regional and municipal offices are the most common public bureaucracies. They assist in the formulation of policies for the sector of society at their territorial or functional level,and they try to enforce or execute the policies ratified by political actors.