The election of Donald Trump ushered in a wave of presidential attacks on transatlanticism, calling into question America’s commitment to Article 5 of the NATO treaty, the premise of postwar order in Europe.

An assertive nationalism now dominates diplomatic thinking in America, offering little by way of reassurance to allies. Yet, despite numerous threats to undo America’s longstanding international commitments, the vast majority remain intact. Indeed, if this trend continues, then things may eventually normalize.