As Trump’s new 10 percent tariffs on all Chinese imports took effect, China hit back with tariffs and sanctions of its own.

Two weeks into his second term, President Donald Trump has launched the United States into a new trade war. He announced steep new tariffs on imports from Canada, Mexico and China — the three largest U.

Amid warnings of price increases, Canada moved quickly to retaliate, China said it had planned countermeasures and Mexico said it would soon unveil its response.