Section XXV-1: Relief and care of needy aged and disabled persons - Co-operation with Federal plan.

  In order to promote the general welfare of the people of the
State of Oklahoma and for their protection, security, and
benefit, the Legislature and the people by initiative petition
are hereby authorized to provide by appropriate legislation for
the relief and care of needy aged persons who are unable to
provide for themselves, and other needy persons who, on account
of immature age, physical infirmity, disability, or other cause,
are unable to provide or care for themselves; Provided, the
Legislature or the people by initiative petition, are further
authorized, in co-operation with and under any plan authorized by
the Federal Government for State participation, to provide by
appropriate legislation for the relief and care of aged or needy
persons.
  The levy of taxes, other than ad valorem taxes, necessary to
carry into effect legislation enacted pursuant thereto, is hereby
authorized.