the germans began Process_start systematic fortification of the area , according to a directive from erich von falkenhayn the german army chief of staff , to fortify the western front so that a small number of infantry could defend Defending the front indefinitely and later in the year began Process_start work on second and third defensive positions but in the somme area , the defences north of the unk were improved Cause_to_make_progress first and by july 1916 the first position defences around mametz were extensive but the second position was a shallow trench and the third position had only been marked Recording out .

the beer hall putsch Change_of_leadership , also known as Know the munich putsch Change_of_leadership , and , in german , as the unk , unk , unk or marsch auf die Death feldherrnhalle ( `` march on the field marshals 's hall '' ) , was a failed Earnings_and_losses coup UNK by the nazi party Participation ( nsdap ) leader adolf unk with `` unk '' erich ludendorff and other `` unk '' unk seize Getting power in munich , bavaria , which took place Process_start on unk november 1923 .

erich von falkenhayn , chief of the german general staff ( ) since 14 september , concluded Coming_to_believe that a decisive victory could not be achieved Achieve on the western front and that it was equally unlikely in the east .

two days later general erich ludendorff , the chief of the german general staff , adjusted Change his plan and pushed Motion for an offensive due west , along the whole of the british front north of the river somme .

general erich von falkenhayn , head of the ( `` ohl '' , german general staff ) , then tried a limited offensive Judgment_communication to capture Conquering ypres and mont kemmel , from 19 october to 22 november .