There’s a lot to digest in the new trade agreement that the United States, Mexico and Canada finalized in deadline-beating fashion on Sunday, starting with a name change.

For the seasonal salad at the popular Oz Kafe in Ottawa, the shavings of Gouda cheese are a salty and delicious culinary accompaniment. To the United States, they are an element of an increasingly bitter trade dispute over dairy products, one that threatens to undermine its decades-long agreement with Canada.

For many independent merchants who sell their goods on Amazon, there has long been deep concern that if the e-commerce giant saw a particular product selling well, the company would duplicate it, but at a lower price.

Shawn Reese is the perfect example of the complicated route that can lie ahead for workers of the future — but also for the opportunities that are emerging.

Over the past decade, both the United States and Europe have made major strides in reducing their greenhouse gas emissions at home. That trend is often held up as a sign of progress in the fight against climate change.

Malls are being hollowed out. Shops are closing by the thousands. Retailers are going bankrupt.