The migration of manufacturing to Mexico could undermine Trump’s promise to voters that ratcheting up tariffs on China would incentivize companies to bring production back to the U.S and give American companies a more even playing field.

U.S. imports from China finished the year strong after some companies stockpiled shipments of apparel, toys, furniture and electronics ahead of President-elect Donald Trump's plan to impose new tariffs that could revive a trade war between the world's economic superpowers.

Rubio -- long known as a Russia and China hawk in the Senate -- has been accused of dialing back his interventionist foreign policy approach to align with Trump's positions and may face fresh criticism from opponents who believe he might prioritize serving as a yes man to president over serving the country.

Some of Trump's other national security nominees have faced strong criticism, with even some Republicans saying they wanted more information about former Fox News host Pete Hegset

By Patricia Zengerle, Simon Lewis and Doina Chiacu WASHINGTON (Reuters) - Republican U.S. Senator Marco Rubio promised a robust foreign policy focused on American interests at his nomination hearing on Wednesday for secretary of state under President-elect Donald Trump who takes office on Jan.