Argentine workers campaign for human rights (Semana Roja), 1909
In the late nineteenth century, the Argentinian working class had gained greater self-identification during the economic crisis of 1898–1904, when labor strikes – an unknown phenomenon up to then – unleashed the rapid expansion of labor organizing and labor unions, and the national FORA (Regional Argentinian Workers' Federation) was created. In the first decade of the 20th century, union actions were met with extreme repression by the state, which proved incapable of responding through conciliation, leading to general strikes in 1902, 1904, and 1906.