Canada, like the United States, is a country of immigrants, and Toronto, Montreal and Vancouver are great cities. Third … um, there is no third. There is no reason for Canada and the U.S. to merge.

The worst part about making Canada the 51st state would be absorbing its government-run, single-payer healthcare system.

Why didn’t the United States annex Canada during earlier historical periods? In short, because it didn’t want to. President Donald Trump has drawn widespread criticism (dating back to before his first ...

But by 2015, his perceived failings of the North American Free Trade Agreement between the United States, Canada and Mexico became a central issue of Mr. Trump’s first presidential campaign.

Besides oil, Canada, in 2023, supplied nearly 100 percent of the natural gas and 85 percent of the electrical energy imported by the United States, according to Canada’s energy regulator.