Two children in red, yellow and violet shirts ran along the perimeter of one of the oldest football pitches in London, cheering on their team. The pair were too young to understand the historical significance of non-league Clapton CFC's vibrant attire, but their parents, seated in the stands, their eyes fixed on the game, knew all too well. The east London club, established in 2018, designed the shirt as a tribute to the Second Spanish Republic and the International Brigades of volunteers who fought the Nazi Germany-backed Nationalists in the Spanish Civil War in the 1930s. As support for right-wing...