“Workable program” means a program (including an official plan of action, as it exists from time to time for effectively dealing with the problem of urban slums and other 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 other urban blight and deterioration, to encourage needed urban rehabilitation, to provide for the redevelopment of slum or other blighted, or deteriorated, or deteriorating areas or to undertake such of these activities or other feasible activities as may be suitably employed to achieve the objectives of the program.