President Trump’s tariffs on Canada, China, and Mexico could upend U.S. trade. These nine charts show what’s at stake, what comes next, and why it matters.

U.S. equity futures tumbled in early Monday trading, while energy prices leaped and the dollar soared to a two-year high against its currency peers as markets reacted to the weekend tariff announcements of President Donald Trump and their potential to trigger a global trade war.