Now that the quinquennial electoral tussle for seats in the European Parliament is over, European politicians must shift quickly from competing against one another to helping Europe compete globally.

Even though Europe desperately needs to strengthen its collective industrial might, internal divisions and rivalries have long stood in the way. Now, the newly agreed intergovernmental priority list confirms this as a core theme for the European Union in the years ahead.

Although European Commission President Ursula von der Leyen has been nominated by heads of state for another…