Rubuta ci gaba don wannan sakin layi - A farkon Yaƙin Duniya na II a 1939, bayan roƙon Franklin D. Roosevelt, Shugaban Amurka mai tsaka tsaki a lokacin, manyan ƙasashen Turai, gami da Burtaniya da Jamus, sun yarda ba za su yi ruwan bama-bamai a kan fararen hula a wajen yankunan yaƙi ba: Burtaniya ta yarda da cewa sauran ƙasashe ma sun ƙi. (duba manufofin kan fashewar bam a farkon Yaƙin Duniya na II). Duk da haka, wannan ba a girmama shi ba, kamar yadda masu yaƙi na bangarorin biyu a cikin yaƙin suka ɗauki manufa ta jefa bama-bamai ba tare da nuna bambanci ba a biranen abokan gaba. A lokacin yakin duniya na biyu, birane kamar Chongqing, Warsaw, Rotterdam, London, Coventry, Stalingrad, Hamburg
, Dresden, Tokyo, Hiroshima, da Nagasaki sun sha fama da harin sama, wanda ya haifar da adadin gine-ginen da aka lalata da kuma mutuwar dubban fararen hula.