Was British Labour activist support for the anti-Franco cause 'the most outstanding example of international solidarity in British history'? Here Lewis Mates challenges this myth and argues that support for the anti-Franco cause was varied and multi-faceted. He analyses the 'Aid Spain movement': activities undertaken at grassroots level in support of the Spanish Republic. He explores the nature of grassroots support, its extent and depth, the motivations of activists, the institutions they operated through, and importantly, the role and impact of ideas on activism. Those within the British...