Niall Whelehan is a Senior Lecturer in History at the University of Strathclyde, where he focuses on the nineteenth and twentieth centuries and themes of migration, political violence, nationalism and radicalism, mainly relating to Ireland and the Irish diapsora. In this interview he discusses his new bookChanging Land: Diaspora Activism and the Irish Land War(NYU Press, 2021), which examines radical networks in Ireland and Irish migrant communities in Scotland, England, the United States and Argentina, during the Land War of 1879-1882 The Irish Land War represented a turning point in modern Irish history, a social revolution that was part of a broader ideological moment when established ideas of property and land ownership were fundamentally challenged. The Land War was striking in its internationalism, and was spurred by links between different emigrant locations and an awareness of how the Land League’s demands to lower rents, end evictions, and abolish “landlordism” in Irelan...