SPAIN - JANUARY 01: A troop of Spanish militiamen from the P.O.U.M., the Marxist Unity Workers Party, between 1936 and 1939. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
SPAIN - JANUARY 01: A troop of Spanish militiamen from the P.O.U.M., the Marxist Unity Workers Party, between 1936 and 1939. (Photo by Keystone-France/Gamma-Keystone via Getty Images)