Based on historical records, the propagandists were able to send their views and demands to the Spanish people through a newspaper called La Solidaridad.
La Solidaridad was originally founded in Barcelona by Graciano López Jaena in 1888.
Graciano López Jaena was a Spanish journalist working as an expatriate in the Philippines.
Together with José Rizal y Mercado and Marcelo del Pilar (another journalist), they form Propaganda Movement, which consistently writes about the religion and government reform in the Philippines to Spain through the La Solidaridad newspaper.
Hence, in this case, it is concluded that the Propagandist used La Solidaridad newspaper to send their views and demands to the Spanish people.
Learn more about Propaganda movements here: https://brainly.com/question/18635216