I think that it's 4, i'm pretty aure
Its a multilateral system of trading in which a country pays for its imports from one country by its exports to another. Hope this answers your question :)
Answer:
flashbulb memories
Explanation:
flashbulb memories refers to a collection of detailed snapshots of memories that we have when we just received an emotionally impactful news.
Example of this would be when we receive the news that our parents just died. At that time, our stress hormones will shoot through the roof and we can start to develop flashbulb memories that are related to our parents before having a mental breakdown.