Which of these countries is NOT a member of the EU?

Which of these countries is NOT a member of the EU?

Serbia is not a part of the European Union. Yet. On Dec. 14, 2021, Serbia was permitted to open talks on climate change and environment, energy, transport policy, and trans-European infrastructure networks – a significant step towards joining the European Union. Membership talks began in 2014. Countries wanting to join the European Union must uphold laws and regulations in line with the EU’s standards in 35 policy chapters, ranging from free movement to economic policy._x000D_

What’s holding Serbia from joining the EU?

_x000D_As EU Enlargement Commissioner Oliver Varhelyi put it, “Serbia’s progress on the rule of law and the normalization of relations with Kosovo remains essential for the overall pace of accession negotiations.” Serbia refuses to recognize the statehood of its former province, which unilaterally declared independence in 2008.