In most parts of the United States, adults 21 and older are legally allowed to drink alcohol. This age-old beverage, made from fermenting grains or fruits, has been enjoyed by humans for thousands of years — some records suggest over 10,000! While cultures around the world have created countless varieties of alcohol, here in the U.S., we generally categorize them into three main groups: beer, wine, and liquor. This system helps make laws and regulations around drinking clearer. But there’s more to these categories than meets the eye. Each one contains several subtypes, which help define and control how specific alcoholic drinks are produced and sold. Knowing the differences between…