<p>Trump on Sunday said he was going to put tariffs on imports of all steel and aluminum, used by automakers, aerospace companies, and in construction and infrastructure.</p><p>The U.S. is the world's largest aluminum importer, according to World Bank data. It has had a trade deficit in steel for a decade, according to the International Trade Administration. It is the second largest steel importer worldwide, with more than half of those volumes coming from Canada, Mexico and Brazil.</p>
