Trade pacts don't really cover what the EU does. The EU goes well beyond traditional trade pacts in services. Take for example passporting for financial firms. Also it provides a much better legal framework for disputes than arbitration tribunals. Unless you think it's a good idea for your judge one day to be your lawyer the next.

Comparing NAFTA to the EU shows a fundamental lack of understanding of how far reaching the EU is. We are only at the beginning of the economic integration. Take for example the recent progress on the digital market. One advantage US startups have is 350m consumers immediately, something the EU is only just starting to bring in.

As for peace you might dismiss it but Western Europe has experienced the longest period of peace in its entire history by a massive margin. To put that on NATO and the UN but not the EU seems odd considering conflicts outside that involve NATO and UN member countries.

Your analysis of democracies seems very limited. Why did you exclude Germany from that list? Why don't you include Greece on you list of small democracies?