Some of the challenges are self-inflicted, but a fresh set of court rulings questioning the president’s authority to enact tariffs hangs over his trade agenda.

China and the United States are accusing each other of reneging on their tariff truce as tensions rise over rare earths exports, computer chips and student visas.

China announced Monday that it rejects accusations made by the Trump administration that it has broken terms in regard to the recent trade deal made between the two nations.