Minsk II' চুক্তিতে স্বাক্ষরকারী সংস্থা কোনটি?

Minsk II
Representatives of Russia, Ukraine, the Organisation for Security and Cooperation in Europe (OSCE) and the leaders of separatist-held regions Donetsk and Luhansk signed a 13-point agreement in February 2015.
The leaders of France, Germany, Russia, and Ukraine gathered in Minsk to mark the occasion and issued a declaration of support.

Minsk I
Ukraine and the Russia-backed separatists agreed on a 12-point ceasefire deal in September 2014.
Its provisions included prisoner exchanges, deliveries of humanitarian aid and the withdrawal of heavy weapons.
However, the agreement quickly broke down, with violations by both sides.

Source: www.aljazeera.com