Which technologies led to the Civil War being called the first modern war?

A. Railroads, telegraph, rifled barrel
B. Railroads, rifled barrel, cannon
C. Railroads, telescope, canals
D. Railroads, rifled barrel, telescope



Answer :

Final answer:

Railroads, telegraph, and rifled barrel were key technologies that made the Civil War the first modern war in history.


Explanation:

Railroads and steamboats revolutionized troop transportation during the Civil War, making it quicker and more efficient. The electric telegraph greatly improved military communication and provided real-time war news to the public. The rifled barrel increased the accuracy and range of firearms, transforming the nature of warfare during this period.


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