open border in the e.u. border but it can cause what was it like before very quickly i mean the border with established in the one thousand twenty s. and then right up into the nine hundred fifty s. there was fairly loose customs arrangements not so much of the so this late in the northern side were relatively loose then when the troubles flared up in the late sixty's and then threat the seventy's the british army came in over at the time the coast times came down gradually with shared membership between the u.k. and ireland of the of the e.c. at the time both the troubles continue to get worse so it became a heavily militarized border i can remember as a child and the nineties you had to cross an army checkpoint any time you want to cross that border which has over two hundred roads by the way there was roads that were unapproved and so on so forth at this stage though over the last twenty years since as you mention the peace agreement the good friday agreement the border has become essentially nonexistent an invisible border it's driving across the border today is no different than driving from brandenburg into another point to stand in germany or in any normal country you wouldn't know it was there a century of course everybody's worried that these border with could be could