The IMF on Wednesday called on the United States to work with trading partners and find ways to mutually ease trade curbs, as it issued a review of the world's biggest economy. The International Monetary Fund's findings covered the first year of Donald Trump's second presidency, in which he unleashed wide-ranging tariffs on allies and competitors alike as he sought to shrink the US trade deficit and boost domestic manufacturing. But his on-again, off-again tariffs have roiled supply chains and financial markets.