‘You need to understand that if Europe is under attack we will never come to help you and to support you,’ Donald Trump reportedly told top European officials while he was U.S. president. In the present situation, with a war not seen on this scale since 1945 being fought in geographical (if not yet political) Europe, it’s now imperative for the region to review its reliance on the White House, its assumed ally and source of support since the end of WW2.