Recently, which two countries of Europe have conducted a joint session of both governments after a conflict of 25 years?
[A]Bosnia and Slovenia
[B]Bosnia and Serbia
[C]Ukraine and Croatia
[D]Croatia and Serbia

Bosnia and Serbia
The Serbian and Bosnian governments held their first post-war joint session in Sarajevo, capital of Bosnia and Herzegovina on November 4, 2015. Both the countries are trying to improve their relations for economic development and stabilization of Western Balkan region. Both the countries are aspiring to become members of European Union (EU). The joint session was held after their conflict began 25 years ago during the dissolution of Yugoslavia. During the joint session, the two governments has signed agreements on various issues including protection of cultural heritage, telecommunications, finding of mission persons and sustainable development.