What was the cold war activity? It would be impossible to answer without it.
It was the Hawley-Smoot Tariff.
The reaction by Nick when Gatsby tells him about things like his time at Oxford, his medals for his service in the war, and his time living "like a young rajah in all the capitals of Europe'' was that he thaught t<span>hey impress Nick, who envies Gatsby's adventurous and eventful past.
Hope you will find it helpful.</span>