http://time.com/5597211/donald-trump-japan-visit-analysis/

Most important, said Sneider and one Japanese and two American officials, Trump pushed trade talks down the road beyond Japan’s upcoming parliamentary elections, and probably far beyond that. Trump had threatened to impose tariffs on Japaneses cars and car parts on the grounds that U.S. reliance on Japan’s auto industry — the main engine of its export-driven economy — is a national security threat.