What aspects of the war caused many to claim that the civil war was the first "modern war? " your answer should be written in paragraph form.

500 books can be produced by one man and a printing press within 5 months, while a copyist can only produce one in the same amount of time

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.