Section 2. No Convention shall be called by the Legislature to propose alterations, revisions, or amendments to this Constitution, or to propose a new Constitution, unless laws providing for such Convention shall first be approved by the people on a Referendum vote at a regular or special election, and any amendments, alterations, revisions, or new Constitution proposed by such Convention shall be submitted to the electors of the State at a general or special election and be approved by the majority of the electors voting thereon before the same shall become effective.