The Iron Curtain was a problem because it blockaded access to East Berlin and prevented the free flow of Germans across the borders between East and West Germany. More broadly it prevented the movement of ideas and peoples across this artificially created boundary. And more importantly than that it signified the dividing line of the Cold War between Western Europe and the United States and the Soviet Union which had a major impact on fomenting mistrust and conflict.
c it has to be i mean he is still young and he cared for other people
Answer: Crowd-storming
Explanation:
Crowd-storming is defined as the process that links crowd-sourcing and brainstorming together.External sources are the base of ideas or invention which are reached to gain opinions and then a particular decision or solution for any particular case is extracted through group activity.
According to the question, crowd-storming is being depicted through the scenario .As the coffee shop is using external source(fans) to obtain ideas about iced coffee . Creators in form of group will then make decision about the winner of the coffee contest through tasting their recipes
