 It frequently published articles that disturbed Spanish colonial authorities and most reactionary employers, because they denounced the subhuman conditions in some jobs, the low pay, and the insalubrity and congestion on works.After the Ten Years' War—the first stage of the independence struggle that extended across 1868 to 1878—arrived an awakening of the Cuban worker movement, with new organization methods as union trades and cooperative and mutual help societies, besides the manifestation of the first ideas about class struggle.At the same time, newspapers started to appear, such as Boletín Tipográfico, in Havana; El Artesano, also in the capital city, and El Obrero.