sentences:  Despite several decades when the organization was illegal in Spain, today the CNT continues to participate in the Spanish worker's movement, focusing its efforts on the principles of workers' self-management, federalism, and mutual aid.The CNT says of its membership, "We make no distinction at the time of admission, we require only that you are a worker, student or unemployed.The only people who cannot join are those belonging to repressive organisations (police, military, security guards), employers or other exploiters".