“Aid and Assistance by All Means in their Power”
The EU Mutual Assistance Clause as a Test Case for European Defense
After the terrorist attacks in Paris of November 13, 2015, EU member states unanimously – and unusually – invoked Europe’s mutual assistance clause: Article 42.7 of the Lisbon Treaty. The extent of support provided thus far has ranged starkly, however, and member states have given different weight to the European context. Both Brexit the election of Donald Trump have underlined the EU’s existential interest in pursuing closer and better defense cooperation.