 In 1930, Spanish republican forces signed up to the Pact of San Sebastián, leading to the Second Spanish Republic.Unrest and repression did not stop with the new political regime, and large-scale industrial action was called several times by the growing anarchist, communist and socialist unions.The 1936 military coup was initially defeated by the resistance, led by the Basque Nationalists, anarchists and communists, but later that same year the province fell to Spanish Nationalist forces during the Northern Campaign.