Review of: Luis Apau Gamarra and Alberto Gálvez Olaechea (eds) (2020) Chimbote en la memoria. Las luchas de mayo de 1973 [Chimbote in Memory. The Struggles of May 1973] AND Carlos Portugal Mendoza and Alberto Gálvez Olaechea (eds) (2021) Entre Guerras. Militancia y activismo sindical minero en las décadas 70 y 80 [Between Wars. Militancy and Mining Union Activism in the 70s and 80s]