(1) It is declared that: Unsanitary and unsafe dwelling accommodations exist in various areas of the state and that consequently many persons of low income are forced to reside in such dwelling accommodations;
(2) These conditions cause an increase in, and spread of, disease and crime and constitute a menace to the health, safety, morals, and welfare of the citizens of the state and impair economic values;
(3) The clearance, replanning, and reconstruction of the areas in which unsanitary or unsafe housing conditions exist and the providing of safe and sanitary dwelling accommodations for persons of low income are public uses and purposes for which private property may be acquired; and
(4) It is in the public interest that work on the projects be instituted as soon as possible in order to relieve unemployment which now constitutes an emergency.
(5) The necessity in the public interest for the provisions of this subchapter is declared as a matter of legislative determination.