The terms and provisions of an Act of Congress, entitled “An Act to Amend Section Sixteen, Seventeen and Twenty, of an Act Entitled ‘An Act to Enable the People of Oklahoma and Indian Territory to form a Constitution and State government and be admitted into the Union on an equal footing with the original states; and to enable the people of New Mexico and Arizona to form a Constitution and State government and be admitted into the Union on an equal footing with the original states,’ ”¹ are hereby accepted, and the jurisdiction of the cases enumerated therein is hereby assumed by the Courts of the State.