Pedzisa mutsara unotevera: Apo Hondo Yenyika II yakatanga muna September 1939, Bols akafamba kuburikidza nemabasa akawanda ehurumende, achishumira mumasangano akawanda uye mauto ehondo asati akwidziridzwa kuva colonel uye kutora mutoro wekudzidzisa kwose kwemauto pasi pekutungamirirwa kwe21st Army Group uye kubatsira kuronga Operation Overlord, Allied invasion yeNormandy. Bols ipapo akasimudzirwa zvakare ndokuraira 185th Infantry Brigade munguva yeAllied
mberi kuburikidza neWestern Europe, asati atora mutungamiri we6th Airborne Division kubva kuMajor General Richard Gale mukupera kwa1944. Akatungamira chikamu muHondo yeArdennes, pamwe neOperation Varsity, basa remhepo kuyambuka Rwizi Rhine, ndokuzotungamira chikamu ichi kuchamhembe kweGerman kusvika pakupera kwehondo. Varwi veCanada vakapinda muguta reWismar mumazuva okupedzisira ehondo, kuti varambidze uto reSoviet kupinda muDenmark. Bols akanga ari mukuru mukuru akasangana chiso nechiso nevaSoviet muWismar, achisimbirira kuti vaAllies varambe vakabata guta ravakanga vatora, zvinopesana nezvibvumirano zvemusangano weYalta. Akaita kuti Soviet imire kwenguva pfupi. Munguvayi, Lübeck neHamburg zvaigona kutera kumapoka akabatanidzwa, uye pakupedzisira Denmark yakasunungurwa navabatanidzwa pasi poutungamiriri hwa field marshal Montgomery. Mushure mokupera kwehondo Bols akaramba ari mutungamiri weboka iri mumabasa ekuchengetedza runyararo kuMiddle East, uye akabva aenda pamudyandigere muna 1948 semukuru mukuru.