For thousands of years alcoholic beverages drastically improved countless holiday parties on every continent in every political and social system. Here is an appropriate illustration from the Life Magazine Archives taken in Leningrad in 1956.
Before:
After:
Caption reads:A party at the home of a so-called “typical Soviet worker”, the Dmitriev family. The father, a skilled metal worker, is actually a member of the Communist Party & does much side work for it, so they live far above working class average. (the line about side work for the Communist Party doesn’t make any sense to me, not sure what it means).