diana has asked alfredo to sign a premarital agreement. alfredo is a canadian citizen. which of the following are characteristics of a valid and enforceable premarital agreement? once executed, it is binding in all 50 states and canada. it is not binding without proper disclosure. it should be used with the intention of facilitating a divorce. there should be a written agreement with the willingly executed signatures of both parties. a) i and ii b) ii and iv c) iii and iv d) ii and iii