 Pakatanga Hondo Yenyika II muna September 1939, Bols akafamba munzvimbo dzinoverengeka dzevakuru vakuru, achishanda mumasangano akati wandei uye mauto ehondo asati akwidziridzwa kuita colonel uye achitora basa rekudzidzisa mauto pasi pekutungamira kwe21st Army Group uye kubatsira kuronga Operation Overlord, Allied invasion yeNormandy. Bols akazokwidziridzwa zvakare uye akatungamira 185th Infantry Brigade panguva yeAllied mberi kuburikidza neWestern Europe, asati atora kutungamira kwe6th 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 mukuchengetedza runyararo kuMiddle East, uye ipapo akarega basa muna 1948 somukuru mukuru. 