 At the founding conference 10 national unions, 2 regional federations and 3 local federations participated, representing Mexico, Colombia, Cuba, Uruguay, Bolivia, Ecuador, Peru, Guatemala, Venezuela, El Salvador, Panama, Brazil, Costa Rica, Argentina and Paraguay.The CSLA took a strong revolutionary and anti-imperialist line, denouncing the Pan-American Federation of Labor and calling for international proletarian revolution.It spent much of its limited resources on worker education and anti-capitalist propaganda.