 Complete the following phrase:  The European Commission proposed a package of measures aimed to make it more difficult to acquire firearms in the European Union on 18 November 2015. President Juncker introduced the aim of amending the European Firearms Directive as a Commissions reaction to a previous wave of Islamist terror attacks in several EU cities. The main aim of the Commission proposal rested in banning B7 firearms and objects that look alike, even though no such firearm has previously been used during commitment of a terror attack in EU of 31 terror attacks, 9 were committed with guns, the other 22 with explosives or other means. Of these 9, 8 cases made use of either illegally smuggled or illegally refurbished deactivated firearms while during the 