彼得格勒苏维埃
In early September, the Petrograd Soviet freed all jailed Bolsheviks and Trotsky became chairman of the Petrograd Soviet. Growing numbers of socialists and lower-class Russians viewed the government less as a force in support of their needs and interests. The Bolsheviks benefited as the only major organized opposition party that had refused to compromise with the Provisional Government, and they benefited from growing frustration and even disgust with other parties, such as the Mensheviks and Socialist Revolutionaries, who stubbornly refused to break with the idea of national unity across all classes.