Ok, here my humble opionion on two of the civs.
The Dutch should be commercial. East India Company, invention of company shares, Amsterdam was the first world trading centre, Rotterdam is the biggest harbor in the world, the only reason for exploration and discoveries was commerce (unlike British colonization or Iberian conversions) and so on.
Second trait should remain seafaring, for obvious reasons. Agriculture could be third.
And my traits for the USA.
Militaristic - NO! Only the last 70 years do they have a large army. In 1914 their army was smaller then that of Holland or Belgium.
Scientific - Not really. There were some very important inventions (like flight) but not enough to make it scientific above other traits.
Expansionistic - Could be, but not my choice either.
Agriculture - The US has one of the largest output of grain and other food, but only because of the enormous size of the country.
Seafaring - Nothing compared to England, Holland or Vikings in their days.
Religious - Absolutely. It plays a very important role. From the start of the country till present. A small example is how many times God is mentioned on movies, series, and so on. Our (Dutch) Prime Minister is from the Christian Democrat Party and he has never mentioned God in any of his speeches. I hear American presidents mention Him in every speech I see/hear.
Industrious - Absolutely. WW2 is the best example on how brilliant and uncontestedly superior American industry is. In the long run no country would have won of the US in WW2. Yamamote of Japan said that if Japan would go to war with the US it should be defeated in 6 month, otherwise the industry would be going and no one could stop the American production of tanks, planes, jeeps, ships, bombers and so on.
America should also get an Iron Works in all of their cities in wartime!
