The Illuminate's chief concern with this union would be the status of a nation's ability to control it's economy. Subsidies, welfare, tariffs, Ministries to direct banking investment, and other functions provided by government should be addressed. Will they be allowed, will they be banned? Under what command chain would ships offered to the merchant fleet lie, within their respective national or within internation?
ooc - although it would be nice to ban subsidies, as it would benefit all members, it would weaken a member with subsidies against the foreign market. Subsidies target individuals within a market, such as a farmer, and are not intended as tariffs to attack foreign markets but instead to benefit the national market. The same is true with welfare. I'm curious if you have some non-libertarian rhetoric to free-trade to use.