9th Circuit Court of Appeals: Still looney after all these years

[JLL]

As far as what's been traditionally accepted over the years, women's suffrage and property rights would also be fairly "new-fangled" if we're looking at society over thousands of years. Views on race have evolved too, along with those on child labor and many other issues.
As for cousins marrying, I don't know. Hopefully we learned something from the Habsburgs! All that intermarrying didn't work out too well for them.