Outside of the Basque Country, other territories have also joined the Socialist Movement, breaking with previous political experiences, such as in Catalonia and Valencia with Arran and in the rest of Spain with the UJCE.
[3][4][5] After the Declaration of ETA's definitive cessation of armed activity in 2011, various tensions arose within the Abertzale left, leading to the creation of multiple organizations that did not accept the official positions that were established and instead called for a different strategy.
In this initial process, blogs such as Borroka garaia played a significant role, publishing reflections and texts developed by activists.
The disagreements were so profound that in October 2018, the historical alliance between the student organization and the youth wing of the Abertzale left, which at the time was Ernai, was broken.
[8] GKS was established with the aim of addressing youth issues from a class perspective, working alongside Ikasle Abertzaleak and shaping what would later become the Socialist Movement.
The idea behind Erraki was to establish the necessary frameworks to overcome the limitations of isolated management in such spaces through class solidarity and by providing mechanisms for self-defense.
[16] On July 17, 2022, a group of young activists from Catalonia, Valencia, and Mallorca publicly announced the creation of a new political space called Horitzó Socialista.
[18] The organization was launched in multiple cities, including Madrid, Burgos, Cáceres, Gijón, Valladolid, Albacete, Zafra, Seville, Zaragoza, Murcia, Granada, Guadalajara, and Málaga.