Which of these sentences contains an adverb clause?

Ineed . read the passage, and choose the two (2) inferences that are most firmly based on the given information. the manufacture and sale of alcoholic beverages was outlawed in 1919 by theeighteenth amendment. prohibition, as it was called, achieved a number of good results. it lowered the average consumption of alcohol. 4rrests for drunkenness fell sharply. the rate of alcoholism was reduced. if the prohibitionists had been willing to legalize beer and wine, the experiment might have worked. instead, by insisting on a totally “dry” society, they drove thousands of ordinary people to break the law. 1. during prohibition, alcohol was not available. 2. during prohibition, many usually law-abiding people drank illegally. 3. the prohibitionists opposed the use of any form of alcoholic beverage. 4. the prohibitionists were tolerant of moderate social drinking.