From the Occupy protests to climate change school strikes and the Black Lives Matter movement, the twenty-first century has been rife with activism. Although very different from one another, each of these movements have created alliances across borders and show that activists'' concerns are not confined to individual nation states.In this book, Daniel Laqua shows that these global efforts are not just a recent phenomenon, and that as long as there have been borders, activists have sought to cross them. <i>Activism Across Borders Since 1870 </i>explores traces how individuals, groups and organisations have fostered bonds in their quest for political and social change, and considers the impact of national and ideological boundaries on their efforts. Focusing on Europe but with a global outlook, the book acknowledges the importance of imperial and post-colonial settings for groups and individuals that expressed far-reaching ambitions.From feminism and socialism to anti-war campaigns and g