Original: A report to Gestapo chief Heinrich Himmler dated 17 February 1942 on increased Partisan activities stated that '' Increased activity of the bands is chiefly due to atrocities carried out by UstaÅ e units in Croatia against the Orthodox population . ''
Simplified: A Gestapo report to Himmler ( 17 February 1942 ) on increased Partisan activities stated that '' Increased activity of the bands is chiefly due to atrocities carried out by Ustasha units in Croatia against the Orthodox population .