Mezue ahịrịokwu na-esonụ: Ndị agha Germany eruola ọnụ ọgụgụ kachasị elu nke ndị ọrụ na 1916 na Hindenburg Mmemme ezubere iji belata ibu arọ na ndị ọrụ fọdụrụ site na iji igwe dochie ha. N'afọ 1917, ndị French na ndị Britain jisiri ike na-alụ ọgụ, ebe a na-eme ihe ndị na-awakpo agha na mpaghara ọwụwa anyanwụ na ndịda. Njikọ aka megide Germany mụbara mmepụta nke ihe agha ya karịa mmụba nke Mmemme Hindenburg, asọmpi ụlọ ọrụ mmepụta ihe nke Germany enweghị ike imeri; mmemme ahụ mere ka ụkọ ọrụ na Germany ka njọ. Mgbanwe ndị e mere n'echiche ndị e nwere n'usoro nchebe ndị Germany nwere mmetụta ka ukwuu karịa mmụba e nwere n'ọnụ ọgụgụ ndị agha na mmepụta ngwá agha. Mwakpo ndị Briten mere n'afọ 1917 dị mma karịa nke ndị nke afọ 1916 mana usoro nchebe nke ndị Germany gbanwere iji mebie mmetụta nke ntozu oke nke ndị British Expeditionary Force (BEF). Agha nke Somme (1 Julaị <unk> 18 Nọvemba 1916) furu ihe dị ka na
Agha nke Abụọ nke Aisne (16 Eprel <unk> 9 Mee 1917), akụkụ bụ isi nke Nivelle Offensive, na-efu ọzọ Agha nke Atọ nke Ypres (31 July <unk> 10 Nọvemba) gbakwunyere ndị nwụrụ anwụ.