Arcanum Divinae §18

¹⁸ Hence are owing civil marriages, commonly so called; 'hence laws are framed which impose impediments to marriage; hence arise judicial sentences affecting the marriage contract, as to whether or not it have been rightly made. Lastly, all power of prescribing and passing judgment in this class of cases is, as we see, of set purpose denied to the Catholic Church, so that no regard is paid either to her divine power or to her prudent laws. Yet, under these, for so many centuries, have the nations lived on whom the light of civilization shone bright with the wisdom of Christ Jesus.