I believe the answer to this is C.
Casualty rates at the Battle of Okinawa and Iwo Jima plays a small role in the justification of dropping the atomic bomb, and is by no means the only justification or even the major justification in using the atomic bomb. They were, after all, only used as a statistical report through the casualty per sq. mile report of what can occur when invading the mainland. So yes, it may be a means towards the justification, but as the justification itself it is not.
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<span> It survived the </span>fragmentation and fall of the Western Roman Empire<span> in the 5th century AD and continued to exist for an additional thousand years until it fell to the </span>Ottoman Turks in 1453. But why did it survive? <span>The eastern half of the Roman Empire was far less vulnerable to external attack, due to its geographic location. With Constantinople located on a strait, it was extremely difficult to breach the capital’s defenses; also, the eastern empire had a much shorter common frontier with Europe. It also benefited greatly from a stronger administrative center and internal political stability, as well as great wealth. The eastern emperors were able to exert more control over the empire’s economic resources and more effectively muster sufficient manpower to combat invasion. </span>
Answer: B. by working together voluntarily
In 1883, railroad companies were able to standardize their timetables. One of the best practice that they did is that they work together voluntarily for the welfare of the majority. It is the unity that they were able to construct that made the standardization of their timetables.
