题目选项分析

Winemaking during the Prohibition era, a period when the consumption and sale of alcoholic beverages was illegal, suffered for two main reasons: because the few winemakers operating were forced to use thick-skinned grapes, which sacrifice quality but are better suited for long distance transport, and because many winemakers emigrated and they took with them the knowledge of how to create wine.

Winemaking during the Prohibition era, a period when the consumption and sale of alcoholic beverages was illegal, suffered for two main reasons: the few winemakers operating were forced to use thick-skinned grapes, which are of a low quality but are better suited for long distance transport, and many winemakers emigrated, taking with them the knowledge of how to create wine.