Complex sentence: She went "to the people" in 1874 to propagandise and later belonged to Bakunist socialists known as the Southern Rebels (Iuzhnye Buntari) in Kiev and later was associated with the Land and Liberty movement in Saint Petersburg.
Split into simpler sentences: She went "to the people" in 1874 to propagandise and later belonged to Bakunist socialists known as the Southern Rebels (Iuzhnye Buntari) in Kiev. She was subsequently associated with the Land and Liberty movement in Saint Petersburg.