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Mediation in regionalized conflicts: lessons from recent peace processes

This project focuses on international mediation in intra-state conflicts that have significant regional conflict dimensions. 

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The problem of conflict regionalization arises most acutely where neighboring states provide military support to domestic conflict parties and may even be involved in hostilities. These dynamics constitute a worrying trend because they tend to make the conflicts more protracted and less amenable to resolution through mediation.

The project is led by the Peace Research Institute Oslo (PRIO) and the Kroc Institute for International Peace Studies at the University of Notre Dame.

Focus 

This project will be based on original case studies as well as reviews of the relevant literature. The case studies will cover conflict and peace processes in Afghanistan (2018-21); Central America (1986-1990); Democratic Republic of Congo (1998-2003); the 1991 Madrid Conference on the Israel-Palestine conflict; the Minsk process on the Russia-Ukraine conflict (2014-15); South Sudan (2013-15); Sudan (2023-4); the Astana process for Syria (2012-23); and Yemen (2015-23).

Case study research questions 

  • In what ways was the conflict regionalized?
  • How did the regionalization of the conflict affect mediation efforts?
  • How did the mediators address, or fail to address, the regionalization of the conflict? 
  • Were there gaps and tensions between the regional dynamics of the conflict and the design and dynamics of the mediation? 
  • What were the effects of the mediator’s approach to the regionalization of the conflict? 

Why it matters 

When conflicts are regionalized, mediators are confronted with a more complex and difficult political environment. They must engage with both the domestic parties and their regional backers and must attempt to manage and balance a greater number of objectives, agendas, interests and power dynamics.   

The international mediation community is therefore interested in drawing lessons from peacemaking experiences in regionalized conflict. They want to know how best to include external actors in peace processes; whether external and domestic mediation efforts should take place concurrently or sequentially; who is best placed to mediate the regional conflict dimensions; and what substantive regional issues should be included in peace agreements. 

Research outputs

ARTICLE

25th February 2025

This case study explores how international mediation efforts in the  Second Congo War (1998-2003) affected, and addressed, the regionalisation of the ...

PUBLICATION

11th December 2024

The Madrid Peace Conference of 1991 aimed to resolve the Arab–Israeli conflict. This paper examines the establishment of the Madrid/Washington process...

ARTICLE

11th December 2024

The Minsk process, led by France and Germany, began in mid-2014 in response to Russian military aggression against Ukraine. In early 2015, it achieved...

PUBLICATION

5th December 2024

The project is based on case studies. This article, part of the “Mediation in Regionalized Conflicts: Lessons from Recent Peace Processes” project, an...

ARTICLE

26th March 2025

This paper focuses on the Russian, Turkish, and Iranian-led Astana mediation process for the Syrian Civil War from 2012-2024.

ARTICLE

1st April 2025

The US-Taliban negotiations in 2018-20 took place without a formal mediator, nor did it involve Afghanistan’s official government or any of its neighb...

ARTICLE

6th May 2025

The involvement of regional actors in Sudan’s war indicates how Sudan has politically and strategically gravitated away from an African political cont...

ARTICLE

29th April 2025

The regionalisation of intra-state conflict, a significant trend in international peace and security, is worrying because external military interventi...

PUBLICATION

11th December 2024

This case study examines the regionalized nature of the conflict in Yemen impacted on mediation efforts and strategies between 2011 and 2023.

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