Which of the Following Statements Best Describes the Degree to Which

Which of the following statements best describes the degree to which Europe is in agreement on foreign and security policy?

A) Deep divisions have emerged between member states on issues such as relations with Russia and how to deal with the global financial crisis.
B) The EU has sought to leave foreign and security policy to the individual member states of the EU according to the principle of subsidiary.
C) The EU member states have been in unanimous agreement about how to deal with issues such as the 2003 U.S.-led invasion of Iraq and the tide of Syrian refugees entering the Schengen Area.
D) The EU member states have been in unanimous agreement about how to deal with future expansions of the EU and Schengen zones.