Europe’s biggest seaport Rotterdam has launched a campaign to pass New York as the world’s biggest port and are busily building a $250 million addition, called Europoort.

The Dutch port of Rotterdam is already Europe’s biggest seaport, and the prosperity of the Common Market pours through it in a growing current of trade. Strategically set astride the Rhine-Maas waterway, which leads to the heart of industrial Europe, Rotterdam handles more cargo than Antwerp, Bremen and Hamburg put…