 Complete the following phrase:  The party traces its beginning to committees and partys cells of the Russian Social Democratic Labour Party RSDLP that existed at the end of the 19th century in all bigger cities and industrial centers on Ukrainian territory which was part of the Russian Empire. Under influence from the League of Struggle for the Emancipation of the Working Class in Saint Petersburg, in 1897 such organization was also formed in Kyiv and Yekaterinoslav which also were taking part in preparation and convocation of the 