The first nuclear weapons to be used against another nation were dropped by the united states during world war ii. by the united states during the cold war. by the soviet union during world war ii. by the soviet union during the cold war.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

explanation:

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