Europe reacts angrily to Trump's comments about a Russian attack, but only Poland and the United Kingdom spend more than 2% of GDP on defense. Trump assured over the weekend that he would encourage Russian President Vladimir Putin to attack European countries that do not spend at least 2% on Defense.

His threats relaunch the debate on the never launched European Defense. Does the European Union need to have a military pillar outside of NATO as not to depend on the mood of the current U.S. president? Or is it enough to have weapons from the United States in order to have it anchored in Europe?