60.000 volunteers 60.000 volunteers 60.000 volunteers were organized by the Comintern were organized by the Comintern 60.000 volunteers were organized by the Comintern ID 60.000 volunteers 60.000 volunteers 60.000 volunteers were organized by the Comintern 60.000 volunteers were organized by the Comintern https://www.britannica.com/topic/International-Brigades 60.000 volunteers were organized by the Comintern were organized by the Comintern were organized by the Comintern 60.000 volunteers 60.000 volunteers International Brigades International Brigades were organized by the Comintern were organized by the Comintern were organized by the Comintern were organized by the Comintern 60.000 volunteers