The legislative body of the municipality, or such public officer or public body as it may designate, is hereby authorized to prepare a workable program, which may include an official plan of action, as it exists from time to time for effectively dealing with the problem of urban slums and blighted, deteriorated or deteriorating areas within the community and for the establishment and preservation of a well-planned community with well-organized residential neighborhoods of decent homes and suitable living environment for adequate family life, for utilizing appropriate private and public resources to eliminate, and prevent the development or spread of, slums and urban blight and deterioration, to encourage needed urban rehabilitation, to provide for the redevelopment of blighted, deteriorated or slum areas, or to undertake such of the aforesaid activities or other feasible activities as may be suitably employed to achieve the objectives of such a program.