Whenever in any county, funds have been raised by taxation for the purpose of erecting and maintaining memorial buildings or monuments, and said funds are under control of a commission as provided in this chapter, and said funds have remained unexpended for a period of five years or more, and when no unpaid obligation exists against said funds, the said commission, or a majority of the members thereof, may disburse said funds for the erection, purchase or improvement of one or more memorial buildings, monuments, parks, playgrounds, swimming pools, homes or club rooms for duly incorporated and acting posts or chapters of veterans’ organizations operating under a United States congressional charter, in the county.