Ambassadors agreed both Ukraine and Moldova can begin talks on the first “cluster” of policy areas where they have to reform their laws to meet E.U. standards, an often lengthy process.

Friday's agreement allows Ukraine and Moldova to formally open the first cluster of accession negotiations, known as "Fundamentals". #EuropeNews

"We will open the cluster on fundamentals; the backbone of the accession process," European Commission President Ursula von der Leyen said on June 12. "It covers the core values…

The European Union has agreed to open the first cluster of accession talks with Ukraine and Moldova on Monday, marking a major step in the bloc's enlargement.