Make Northern Ireland a Free Trade Zone

It should be hard to believe that British leaders and Eurocrats given months or years to figure out how to make Northern Ireland a free trade zone able to govern its own trade and set its own rules, yet remain a British client state. It isn't unbelievable as it should be. Politicians these years don't have full wattage in their brains ordinarily.Britain and Northern Ireland would have a joint foreign origin trade control criteria that wouldn't let foreign interests exploit North Ire as a back door to England for easy dump in England.