What was the Treaty of Cooperation and Good-Neighbourliness?

The Treaty of Cooperation and Good-Neighbourliness was signed in 2001 between Serbia and Montenegro, aimed at fostering peaceful relations, mutual respect, and cooperation between the two entities following the breakup of Yugoslavia. It established a framework for political, economic, and cultural collaboration, emphasizing the importance of resolving disputes through dialogue. The treaty sought to strengthen ties while recognizing the sovereignty of each republic, although it ultimately faced challenges in implementation amid rising nationalistic sentiments.