President Donald Trump is going to Asia to promote an epic financial windfall — at least $900 billion in investments for U.S. factories, a natural gas pipeline and other projects.

Japan and South Korea made those commitments in August as they sought to get Trump to ratchet down his planned tariff rates from 25% to 15%. But as the U.S. president departs Friday night, the pledges remain more of a loose end than money in the bank.

Japan pledged $550 billion, but wants its investments to benefit Japanese companies. South Korea offered $350 billion — but wants a swap line for U.S. dollars, funded through loan guarantees, or else the commitment could sink its own economy. Trump hopes the investments will demonstrate America’s strength before his meeting with Chinese leader Xi Jinping .

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