Although some rebel groups work hard to foster collaborative ties with civilians, others
engage in egregious abuses and war crimes. We argue that foreign state funding for rebel …

There is a long history of state governments providing support to nonstate armed groups
fighting battles in other countries. Examples include Syria's aid to Hamas, Ecuador's support …

In this article, we present the most up-to-date, fine-grained, global dataset on external
support in armed conflicts: the UCDP External Support Dataset (ESD). The dataset …

To what extent do international factors affect domestic conflict processes? How do external
conditions affect the state's repressive capabilities and the opportunities for opposition …

States in an international dispute sometimes choose to attack their enemies with their own
military forces but other times choose to empower domestic insurgent groups. What explains …

Domestic strife and civil war frequently produce large population dislocations and refugee
flows across national boundaries. Mass refugee flows often entail negative consequences …

Although research on conflict has tended to separately study interstate conflict and civil war,
states experiencing civil wars are substantially more likely to become involved in militarized …

Large and rapid power shifts resulting from exogenous economic growth are considered
sufficient to cause preventive wars. Yet most large and rapid shifts result from endogenous …

Studies of conflicts involving the use of surrogates focus largely on states, viewing the
relationship between sponsors and proxies primarily as one in which states utilize nonstate …

Existing scholarship has characterized the severity of and mechanisms behind the problem
of conflict contagion but not how to address it. Although studies of peacekeeping have …