A growing number of countries, including American allies, are striking trade deals as the Trump administration erects a higher fence around its global commerce.

The United States needs to view and solve its own fentanyl issue in an objective and rational way ... (China is) one of the world’s toughest countries on counternarcotics both in terms of policy and i

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.

The move comes after President Trump unleashed plans for 25% tariffs on all Canadian and Mexican imports, citing immigration and drug trafficking as the reason.

U.S. President Donald Trump has ordered sweeping tariffs on goods from Mexico, Canada and China, demanding that they curb the flow of illegal immigrants and fentanyl into the United States, kicking off a trade war that could dent global growth and stoke inflation.

China's sharpest pushback on Sunday was over fentanyl, an area where the Biden administration had also been urging Beijing to crack down on shipments.