This was the 21st Amendment: the Amendment that repealed the 18th Amendment to the constitution.
The 18th Amendment was the Amendment that introduced the Prohibition for alcoholic drinks; so the 21st Amendment established a permission for the possession of alcoholic drinks.
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Assuming you're referring to bread and circuses as they existed during the Roman Empire, their purpose was to keep the populous entertained and distracted from the fact that the Empire was in shambles so they wouldn't revolt.
Most famously, blitzkrieg describes the successful tactics used by Nazi Germany in the early years of World War II, as German forces swept through Poland, Norway, Belgium, Holland and France with astonishing speed and force.
