After a mutually costly battle Hostile_encounter for Fricourt , where the French were eventually forced out , the front line stabilised Cause_change_of_strength and both sides began Process_start to dig Self_motion improvised defences .

With the battles in the south near Kharkov and , later , Kursk using Using reinforcements for both sides , the frontline near Leningrad stabilised Cause_change_of_strength until July 1943 .

by late july , the dutch position had stabilised Cause_change_of_strength , with support Supporting from emperor leopold , brandenburg-prussia and spain ; this was formalised Institutionalization in the august 1673 treaty of the hague , joined Becoming_a_member by denmark in january 1674 .

Soviet forces linked Connect up on 18 January , and by 22 January the front line had stabilised .