§ 9121. Purpose
It is the purpose of this subchapter—
(2)
to promote improvement in library services in all types of libraries in order to better serve the people of the United States;
(3)
to facilitate access to resources in all types of libraries for the purpose of cultivating an educated and informed citizenry; and
(4)
to encourage resource sharing among all types of libraries for the purpose of achieving economical and efficient delivery of library services to the public.