Cars and corn are among the $1m of daily trading in goods and services across the busiest land border in the world under Nafta, a deal Donald Trump has threatened to rip up. Central America correspondent Jude Webber explains.

► Subscribe to FT.com here: http://bit.ly/2r8RJzM

► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs

For more video content from the Financial Times, visit http://www.FT.com/video


Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes