The preservation of cultural resources, and particularly of structures and places of historic, architectural and community value is hereby declared to be a public purpose. The heritage of the municipality will be safeguarded by:
I. Preserving districts in the municipality which reflect elements of its cultural, social, economic, political, community and architectural history;
II. Conserving property values in such districts;
III. Fostering civic beauty;
IV. Strengthening the local economy; and
V. Promoting the use of historic districts for the education, pleasure and welfare of the citizens of the municipality.