Complex sentence: At the Third Congress of Austrian Socialists he argued for the separation of the Polish Social Democratic Party from the Austrian organizations, emphasizing pro-independence clauses in the party's Marxist political program, which aimed to put socialism into practice by abolishing private property.
Split into simpler sentences: At the Third Congress of Austrian Socialists he argued for the separation of the Polish Social Democratic Party from the Austrian organizations, emphasizing pro-independence clauses in the party's Marxist political program. It aimed to put socialism into practice by abolishing private property.