 Most of provincial economy depended upon the Jewish tradesmen, many of whom immigrated to Poland to escape pogroms in the east.Ethnic Ukrainian population of Polesie was 19,3% of the voivodeship, at 219,000.Persisting needs of continuous state investment (as outlined in the 1936 memo) were massive; the road-building programme required 7.1 million Polish złoty annually, with the complete lack of stone in the area.