Grants allocated under this chapter shall be available only for approved activities to carry out strategies designed to prevent homelessness among eligible persons. Approved activities shall include activities that—

((1)) enable public and nonprofit organizations or agencies to provide housing information to such persons and coordinate efforts to expand housing assistance resources for such persons under ;

((2)) facilitate the development and operation of shelter and services for such persons under ;

((3)) provide rental assistance to such persons under ;

((4)) facilitate (through project-based rental assistance or other means) the moderate rehabilitation of single room occupancy dwellings (SROs) that would be made available only to such persons under ;

((5)) facilitate the development of community residences for eligible persons under ;

((6)) carry out other activities that the Secretary develops in cooperation with eligible States and localities, except that activities developed under this paragraph may be assisted only with amounts provided under section 12903(c)(3)  of this title.