This is really late but the correct answer is true. I just took the quiz and got 100%
The city is Berlin
The iron curtain was put up by the soviet union to prevent the people of east Germany from fleeing into the capitalist west. The iron curtain, came down in the year 1990's following Gorbachev reforms dubbed glasnost and perestroika.
Probably means certain situations that was going on in the past with all the corruption and the discrimination was going on he probably said enough is enough time to switch up.
mixed economy iswhat they have