The invention of the lightbulb allowed factories and mills to stay open longer and work through the night. Hope it helps :)
Because he owned all the train tracks
The correct answers should be A. Bombing more than 60 Japanese cities, C. Declaring a Soviet attack on Japan, and E. Issuing the Potsdam Declaration
The bombing of the cities is often overlooked because of the big two bombs and not many people talk about this. Soviets were preparing to invade occupied pieces of China and free it, as well as attack Hokkaido as it was their deal with allies. The Potsdam declaration was made by the allies in which they requested capitulation of Japan with complete destruction being offered if the declaration was not accepted.
Answer:
I think the answer is The 4 Nobel Truths.