China's tariffs against U.S. agricultural products take effect amid a U.S.-China tariff war. President Donald Trump has targeted China with tariffs, blasting the country for involvement with fentanyl pouring into the US.

The Chinese government announced the tariffs last week, shortly after President Trump raised tariffs on Chinese products for the second time since he took office in January. The Chinese tariffs will include a levy of 15 percent on U.S. products like chicken, wheat and corn, as well as 10 percent on products like soybeans, pork, beef and fruit.

The Trump White House again said it would impose hefty tariffs on U.S. imports from Canada and Mexico, double current tariffs on Chinese imports, and consider new tariffs on other decades-long allies such as the 27-member European Union (EU).

Mark Carney, soon to become Canada's new prime minister, is a two-time central banker and crisis fighter about to face his biggest challenge of all: steering Canada through Donald Trump's tariffs. The Liberals announced Carney as Justin Trudeau's successor on Sunday after party members voted in a nominating contest.

Canadians appeared to be abandoning road trips to the US amid President Donald Trump’s sovereignty and economic threats to their country.

The tariff and trade war heats up as President Donald Trump threatens to impose a new round off tariffs on Canadian goods, as soon as Monday.

Ontario Premier Doug Ford has blasted United States President Donald Trump’s tariff threats to Canada On March 4, tariffs were issued on Canada and Mexico, with the US president saying they were aimed at curbing the flow of illegal border crossings and drugs into America Following this announcement,