America's closest neighbors, Canada and Mexico, excoriated President Donald Trump for slapping historic tariffs on goods from their countries. Trump's broad tariffs went into effect on Tuesday, along with increased duties on goods from China,

The 25% tariffs on all goods from Canada and Mexico join an additional 10% increase in tariffs on goods from China, making that now a 20% tax on imported goods from that trading partner.

Major US tariffs against Canada and Mexico have now taken effect, kickstarting retaliatory measures and escalating fears of a widespread trade war.