We, the people of the State of South Carolina in convention assembled, do declare and ordain, and it is hereby declared and ordained, that the ordinance adopted by us in convention on . . . [May 23, I788] . . ., whereby the Constitution of the United States of America was ratified, and also all acts and parts of acts of the general assembly of this State ratifying amendments of the said Constitution, are hereby repealed; and that the union now subsisting between South Carolina and other States, under the name of the " United States of America," is hereby dissolved.