; (2) Indian tribes; and (3) nonprofit entities. (c) Eligible activities Amounts from a grant under this Act may be used only to support or acquire housing that is affordable to low-income families or to finance, assist, or otherwise benefit the development or rehabilitation of such housing, including for— (1) costs of construction, development, rehabilitation, or acquisition of such housing, including predevelopment costs; (2) costs of demolition of substandard housing, with or without development of replacement affordable housing; (3) relocation of residents of substandard housing or residents of housing during rehabilitation of housing that is affordable to low-income families; (4) purchase of housing by or for low-income families in rural areas; (5) construction, development, installation, or rehabilitation of related infrastructure for housing that is affordable to low-income families; (6) establishment of revolving loan funds to finance and assist carrying out other eligible activities under this subsection