"international organization" american foreign policy Brexit defence thirld world states eichler eu accession criteria EU joint military intervention force Europe de la Défense europeene securité commune graham-douglas+ojukwu Greenwood india european union Initiative pour l'Europe macron kořan libya martinez military intervention národní bezpečnost national security asia Praha Routledge Handbook of American Foreign Policy russia osce ryan South China Sea Spratlyho ostrovy Sýrie uprchlíci The European Intervention Initiative Trois millions sudetes doivent-ils emigrer Visegrad visegrad group