The legislature may appropriate funds for and may make and authorize any municipality of Puerto Rico to make loans, donations, and conveyances of money or property to such authorities; may make and authorize any municipality of Puerto Rico to make available its facilities and services to such authorities and take other action in aid of slum clearance or low-rent housing; and may, without regard to any Federal Acts restricting the disposition of public property or lands in Puerto Rico, provide for the use by or disposal to such authorities of any public lands or other property held or controlled by the people of Puerto Rico, its municipalities, or other subdivisions.