My step-Granddad who was Scottish and a communist/socialist fought in the Spanish Civil War. I guess this is how people made their feelings known in the days be

My step-Granddad who was Scottish and a communist/socialist fought in the Spanish Civil War. I guess this is how people made their feelings known in the days before Twitter :-) He always used to tell me about how he had to bury some hand grenades at the base of a tree as he didn't know how to use them.