By adopting these instruments, the EU has been able to go further than the United Nations because of the smaller number of countries it comprises, the mutual trust on which relations among its Member States are, to a large extent, based, and the relatively homogeneous nature of their legal systems and procedures.
Ar šiem pasākumiem ES ir izveidojusi stingrākus pasākumus nekā ANO, jo ES ir iespēja aptvert mazāku skaitu valstu, kuru starpā valda uzticēšanās un kuru tiesību sistēmas un procedūras ir salīdzinoši viendabīgas.