Anne Marie trevillian, odeakwụkwọ nke steeti Britain maka azụmaahịa mba ụwa, kwupụtara na mgbasa ozi mmekọrịta na March 22 oge mpaghara na United States na Britain abanyela nkwekọrịta na ịkagbu nnukwu tarifụ na nchara Britain, aluminom na ngwaahịa ndị ọzọ.N'otu oge ahụ, UK ga-akagbukwa ụgwọ nkwụghachi ụgwọ na ụfọdụ ngwa ahịa America n'otu oge.A na-akọ na akụkụ US ga-ekwe ka 500000 tọn British Steel banye ahịa US na efu tarifu kwa afọ.Obere ndetu: dị ka "Nkeji edemede 232" si kwuo, United States nwere ike ịtụnye tarifu 25% na mbubata ígwè yana tarifu 10% na mbubata aluminum.