sentences:  The 232nd Reserve Infantry Regiment was transferred to the 107th Infantry Division in June 1915, and new replacements for the other regiments tended to come from the Prussian Province of Hanover and the Duchy of Brunswick, with the 229th being described in Allied intelligence documents as becoming a Brunswick regiment.The 50th Reserve Division initially fought on the Eastern Front, entering the line in mid-October.It fought in the Battle of Łódź in November–December 1914 and then spent most of the period until mid-1915 fighting along the Rawka and Bzura rivers.