1. Roe was based on the precedent set by griswold.
2. What legal precedent did roe upend? I can’t think of any.
2. What legal precedent did roe upend? I can’t think of any.
Otherwise anytime a law is passed, we’d consider it “overturning precedent”.
Precedent means that there is a long string of legal jurisprudence on a subject. Obviously roe/griswold created a new one, but it didn’t overturn/upend an existing one.