[1] Subsequently, the Workers' Front expanded to several cities in Spain, such as La Coruña, León, Ponferrada, Zaragoza, and Cádiz.

The party was temporarily suspended from activities in 2016 when Vaquero was arrested in 2016 for organizing the transport of Spanish militias to the People's Defense Units in Syria to fight against ISIS; Vaquero was suspected to have ties with the Kurdistan Workers' Party, which is considered a terrorist organization by the European Union, although no evidence was found.

[26] Since then, they, and especially their leader Vaquero, have gained a presence on social media and even national television in Spain, participating in debates on current political issues in programs such as Horizonte, on channel Cuatro.

"[32] In their program A Spain for the Workers, they defend Hispanic identity, the nationalization and socialization of the Spanish economy, nuclear energy, increasing the minimum wage, supporting the rural sector, promoting birth rates, creating more public housing, introducing rent control and limiting immigration.

"[35] They oppose capitalism, the European Union, NATO, surrogacy, feminism, deindustrialization, queer theory, the Trans Law, affirmative action, Islamization[36] and cosmopolitanism.

It is characterized by its traditional values and closeness to nationalism – focusing on the workerist, blue-collar perspective – and its proposals reiterate criticism against "gender ideology" or the "LGBTI lobby.

The party accused Podemos of being "a pawn at the service of big business and banks", while arguing that Más País is "leaving the workers on the street".

FO argues that the mainstream left-wing parties of Spain alienated the workers and caused the rise of the far-right Vox by embracing neoliberal economics as well as "gender ideology".

[42] It also condemns the May 68 protests, with party leader Vaquero claiming: "The left today is the heir of May 1968, when, as Pasolini said, the most working-class people in that conflict were the police, who were at least the sons of peasants.

Moreover, critics consider it reactionary and racist because of its strong opposition to the increasing presence of Islamic immigration not integrated into European societies (allegedly disrespectful of women's or LGBT's rights, other times linked to higher crime rates than the native population, or with violent events motivated by religious fanaticism).

The event resulted in members of the party clashing with local far-left student organizations, including the Trotskyist Workers' Revolutionary Current.

[47] The party has been called a "left-wing Vox" given its conservative stances on social issues, such as its opposition to immigration, LGBT rights and feminism, as well as attacking the "Islamization" of Spain and "gender ideology".

The Spanish magazine The Objective [es] argues that Frente Obrero "is reminiscent of Vox's in some points: immigration control, promotion of births, and opposition to positive discrimination against women.

"[35] However, Spanish political analyst Asier Balaguer Navarro rejects this claim, writing: "Yes, in the sense that many of its proposals, precisely those that coincide with the conservative party, have a lot of social resonance, and are easily assimilated by the electoral objective of the party; also yes, because of the confrontation with political correctness, defense of the unity of Spain or the rejection of the "woke laws".