by for us in washington clear so the u.s. pushing ahead with these tariffs obviously washington didn't get what it wanted. you know this has been a moment that everybody has been watching with great anticipation to see whether the united states would extend these exemptions for some of its key allies and really this comes back to protecting american industries in steel and aluminum and in many ways it would be a political win for donald trump at home among his supporters in these states where those are major industries now of course this has escalated into worries about a trade war american allies in europe canada mexico how are concerns that it goes against world trade organization rules but trumps administration originally announced these tariffs back in march on grounds of national security from a law from the one nine hundred sixty s. saying that it was essential to have america making its own domestic production well as a complaint is lodged as we speak of the w t o the e.u.