Nicholas Mulder’s new book, “The Economic Weapon: The Rise of Sanctions as a Tool of Modern War,” remakes debates over European history between the two world wars. It rescues the League of Nations from the enormous condescension of posterity, arguing that the league was neither ridiculous nor doomed. However, it also demonstrates that the league’s ...

The US and China are engaged in a bitter fight over Huawei, the Chinese telecommunications giant. The US has blocked Huawei from its markets and is restricting its access to US technologies and suppliers that have helped it become one of the great world companies. China has responded by threatening to introduce measures against US ...