when the allies began bombing the japanese mainland, casualties were high because the bombings\nused atomic…

when the allies began bombing the japanese mainland, casualties were high because the bombings\nused atomic weaponry.\ntargeted large military bases.\nwere in highly populated areas.\noccurred throughout the nation.

when the allies began bombing the japanese mainland, casualties were high because the bombings\nused atomic weaponry.\ntargeted large military bases.\nwere in highly populated areas.\noccurred throughout the nation.

Answer

Answer:

C. were in highly populated areas.

Brief Explanation:

Allied bombings in Japan targeted urban - industrial areas which were densely populated, leading to high casualties. Atomic weapons were used only twice. Targeting large military bases wouldn't necessarily cause such high - civilian casualties as much as bombing populated areas. Bombing throughout the nation doesn't directly explain high casualties as much as the population density factor.