The United States is using the unresolved conflict in Nagorno-Karabakh to exhaust and destabilize Russia.
The EU uses the migration crisis to annex Serbia, i.e. to force it to become a member state: both Federica Mogherini and Donald Tusk referred to the fact that Brussels can help Serbia to find a remedy to the crisis.
Serbia voluntarily applied for EU membership in December 2009. The European Commission recommended making it an official candidate in October 2011. Serbian PM Aleksandar Vucic has confirmed, that despite the migration crisis, joining the EU remains the top policy goal for Serbia, which began formal accession talks in 2014 (reut.rs/1oxvKNp), .