type="main" <p>Harrison and Wolf claim that interstate ‘wars are becoming more frequent’. This is an alarming claim deserving serious attention. It is also a highly surprising claim, since recent conflict research tends to find the opposite: incidences of violent conflict are becoming less...</p>

For researchers and students of International Relations (IR), one date looms larger than all others: 1648. The end of the Thirty Years War, formalized by the signing of the Treaties of Osnabrück and Münster, led to a period known as the “Peace of Westphalia.” Westphalia represented a...

This article introduces two new datasets. The first is a new interstate distance dataset. It is recognized that different theories regarding distance and conflict will call for different understandings of “distance†and accordingly, ten different types of distance measurement are...

The broad aim of this paper is to look at the relationship between terrain and conflict. Using the opportunity and willingness framework, it argues that there are some long established physical factors, which have been related to the terrain of conflict, but that there are also some equally long...

It has long been argued that mountains have an effect on wars. While some research understands this chiefly in physical terms, other research looks at the effect that mountains have on human nature. This article looks at the two thousand year history of the term “mountain people.” It...

It has long been argued that mountains have an effect on wars. While some research understands this chiefly in physical terms, other research looks at the effect that mountains have on human nature. This article looks at the two thousand year history of the term “mountain people.” It...