A state enacts the Young Adult Marriage Counseling Act, which provides that, before any persons less than 30 years of age may be issued a marriage license, they must receive at least five hours of marriage counseling from a state-licensed social worker. This counseling is designed to assure that applicants for marriage licenses know their legal rights and duties in relation to marriage and parenthood, understand the "true nature" of the marriage relationship, and understand the procedures for obtaining divorces. In a case in which the constitutionality of the Young Adult Marriage Counseling Act is in issue, the burden of persuasion will probably be on the: Question 15 options: a) person challenging the law, because there is a strong presumption that elected state legislators acted properly. b) person challenging the law, because the Tenth Amendment authorized states to determine the conditions on which they issue marriage licenses. c) state, because there is a substantial impact on the right to marry, and that right is fundamental. d) state, because there is a substantial impact in the discrete and insular class of young adults