Fears of looming trade warOne of the critical points is that Trump uses national security as an argument for the tariffs. Now the EU is considering to appeal to the WTO.US President Donald J. Trump signs a presidential proclamation on steel tariffs Source: AAP1 min readPublished 9 March 2018 2:19pmUpdated 9 March 2018 2:22pmBy Trudi LatourAvailable in other languagesSkip to article contentShare this with family and friendsCopy linkSharemain article only in GERMANShare