ANSWER: B is the answer
STEP BY STEP Explaination: because Japans aliases will help Japan and use atomic weapons against use.
Pls mark Brainlyist
The reason it was such a huge mistake was because the weapons were much more modern during the Civil War. Napoleon had weapons that fit to his strategies which was why his strategies were so famous for his day in age. The weapons they used in the Civil War were more powerful, and much more accurate.
That's because they were preparing for the biggest war in human history. This was the policy of militarism where building up a military was necessary to ensure that the people could fight against others. The number of soldiers in European armies increased twice in size in only 20 years between the 1890s and 1910s.
During the Civil War, the North had the advantage of having many officers with training and experience.
