President Emmanuel Macron's appeal to European countries for an eventual sending of soldiers to Ukraine has caused concern on the continent and rejection by governments. The trauma of World War II and the fracture of Europe has made Europeans seek comfort in the taboo of war.

Wars, which have continued to exist (and grow) everywhere, are now knocking at your door, writes Pedro Sánchez. "Europe cannot live forever in the complacency of being the most exquisite corner of the world," he says.