[Mojave]

The 18th was desired not required.

Yep.

"It is generally held that the enactment of a statute or constitutional amendment prohibiting the manufacture annd sale of intoxicating liquors as a beverage, operates to repeal and annul all previously existing laws which permitted such manufacture or sale under regulations or restrictions."

A Treatise on the Laws Regulating the Manufacture and Sale of Intoxicating Liquors,
by Henry Campbell Black - 1892

[Know your rights]

"It is generally held that the enactment of a statute or constitutional amendment prohibiting the manufacture annd sale of intoxicating liquors as a beverage, operates to repeal and annul all previously existing laws which permitted such manufacture or sale under regulations or restrictions."

I'll believe that snippet means that a FEDERAL prohibitory statute annuls STATE laws when you provide the context of the snippet.

But I won't hold my breath waiting.