Trump initiated tariffs on steel and aluminum imports in 2018 under Section 232 of the Trade Expansion Act of 1962. This law allowed the president to raise tariffs on imports that pose a threat to national security without having to win the approval of Congress. As the likely Republican Party candidate, Donald Trump has proposed a 10% tariff on all US imports, with 60% tariffs on Chinese imports, as part of his election campaign. However, he…