Introduction -- Structure, process and actors -- Complex internationalism -- Rooted cosmopolitans and transnational activists -- The global in the local -- Global framing -- Internalizing contention -- Transitional processes -- Diffusion and modularity -- Shifting the scale of contention -- The local in the global -- Externalizing contention -- Building transnational coalitions -- Transnationalism at home and abroad -- Transnational impacts on domestic activism -- Internationalization and transnational activism -- Glossary.