France made history by being the first country in the European Union to invoke the mutual defense clause following the brutal attacks in Paris.The French defense minister Jean-Yves Le Drian invoked article 42.7 of the Treaty on European Union while in Brussels, USA Today reports.According to the text of the clause, “if a member state is the victim of armed aggression on its territory, the other member states shall have toward it an obligation of aid and assistance by all the means in their power.†This is the first time article 42.7 has ever come into play. French officials have opted...