The correct answer is East Berlin.
After World War II, Berlin was split into East and West Berlin. West Berlin was controlled by the US, Great Britain, and France. East Berlin was controlled by the Soviet Union. During this time, the Soviet Union used a system of communism. Eventually, the split between these two cities would be represented by the Berlin Wall, which lasted over two decades.
The pros of being an artisan in the medieval period is that you can own your own business and if you are a master you were part of one o f the most influential group among the artisans. The cons were that if you were in the lower class you had no freedom and would work more than others for less.