President Donald Trump said on Monday that countries that do business with Iran will face a new 25% tariff. The announcement appears to mean goods from China, a major trading partner of both Iran and the United States,

U.S. President Donald Trump's threat to slap a 25% tariff on countries that trade with Iran risks reopening old wounds with Beijing, Tehran's biggest trading partner.

Its top trade partners include China, other countries in East Asia, Iraq, the United Arab Emirates, Turkey, and Germany.

Trump insists the U.S. must take control of Greenland to prevent Russia or China from doing the same — an argument Beijing dismissed Monday as "an excuse" to pursue territorial ambitions.

President Trump argued the U.S. must acquire Greenland to prevent Russia or China from taking over, claiming Arctic territory has minimal defenses amid rising geopolitical tensions.

President Trump on Friday continued to press for U.S. control of Greenland, telling reporters: "We are going to do something on Greenland, whether they like it or not."