Un-objectification I believe, removing yourself from a situation or disregarding your bias. It would be really tough in this situation though.
The Iron Curtain forms the Western border of the Soviet Satellite nations: all the countries to the West, also called the "West Bloc" were capitalist and the countries on the East are called "East Bloc".
So the relationship was: the Iron Curtain was to the West of the Soviet Satelite nations.
Forgein countries will be against these policies because in admitting protective tariffs on imports it aids internal goods and makes people more likely to buy products from within the country rather than imports, since they would be more expensive. This policy aids the country administering it but other countries often see some sort of fall in their economy due to exportations
Answer: The answer is most likely 1,3,4 and if 1 isn't right it would be 3,4,5.
Explanation: