<prompt> Bhala okuqhubekayo kwalesi sigaba - Owathola iziqu ngo-1915 eRoyal Military College, eSandhurst, uDempsey wathunywa njengelinye i-lieutenant eRoyal Berkshire Regiment. Njengephoyisa elincane, walwa eWestern Front ngesikhathi seMpi Yezwe Yokuqala, lapho alimala khona, futhi wanikezwa iSiphambano Sezempi. Ngemva kwempi wakhonza e-Iraq ngesikhathi sokuvukela kwe-Iraq ngo-1920  <response>: , e-Iran phakathi neMpi Yombango YaseRussia, naseNdiya. 