In retrospect, you can put a date on the moment globalization peaked: Jan. 24, 2018.

In the rarefied winter air of Davos, Switzerland, Carlos Ghosn ¡ª then boss of the sprawling alliance of Nissan Motor, Renault and Mitsubishi Motors ¡ª was asked what he thought of a tentative initial round of tariffs on washing machines and solar panels imposed by President Donald Trump.

Flush with the confidence of delivering sales results confirming the alliance was the world¡¯s biggest car group by volume, and with his eye on a unification of the business under a single corporate roof, he seemed untroubled. ¡°I don¡¯t see anything that is going to lead to a heavy significant burst of protectionism,¡± he told Bloomberg Television.