Untenable is defined as something that cannot be maintained or defended. If you have a weak argument that falls apart as soon as anyone expresses any skepticism, this is an example of when you have anuntenable argument. that cannot be held, defended, or maintained.
Eighteenth Amendment to the United States Constitution. The Eighteenth Amendment (Amendment XVIII) of the United States Constitution effectively established the prohibition of alcoholic beverages in the United States by declaring the production, transport, and sale of alcohol (though not the consumption or private possession) illegal.
Overall, the Eighteenth Amendment and Prohibition was an important lesson in American history. Whenever there is a movement of any kind, there will be opposition. Opposition, as it did during the 1920s and the mob, can attribute to increasing crime levels and corruption.