What's the difference between Temperance and prohibition

The answer is Prohibition is a see also of temperance.

As nouns the difference between prohibition and temperance is that prohibition is an act of prohibiting]], forbidding, disallowing, or [[proscribe|proscribing something while temperance is habitual]] moderation in regard to the indulgence of the natural appetites and passions; restrained or moderate indulgence; moderation; as, temperance in eating and drinking; temperance in the indulgence of joy or mirth; specifically, moderation, and sometimes abstinence, in respect to using [[intoxicate|intoxicating liquors.

Well temperance could mean either abstinence from alcoholic drink or moderation or self-restraint, especially in eating and drinking. And prohibition can mean either the action of forbidding something, especially by law or the prevention by law of the manufacture and sale of alcohol, especially in the US between 1920 and 1933.