The correct answer is A. It was a center of communications, military command, and supply point for the Japanese army
Step-by-step explanation:
During the Second World War Hiroshima was significant for different reasons. In military terms, the headquarters that were in charge of the defense of Southern Japan were located there; also, there were multiple military units, including mobile units with around 40000 soldiers or military personnel in this city. Additionally, it was an important supply point in Japan, as it was a manufacturer for different weapons such as planes, bombs, guns, among other and a communication center from which troops were assembled. Due to this, Hiroshima was quite important for the Japanese army.