Also see a Review by Jon Roland. Seeks a federal union of the more advanced democratic countries through a constitutional convention. Has some excellent materials on federal principles and processes. But provides insight into the problems of integrating disparate political and legal systems. This is the commercial site, promoting European business, but it is instructive.
Site has many documents and links on various issues related to international federation.
Sometimes people decide they cannot secure their rights within the framework of an existing polity, and must separate from it. We generally favor enforcing constitutional compliance within an existing polity, but sometimes independence is the only way. We devote a separate page to some of these movements.