Answer: Citizens were precious. We know that Athens, for example, was able to put eight thousand men into the field for Plataia in 479 (Hdt., IX, 28), with perhaps one thousand more at Marathon in 490, but she still had only thirteen thousand hoplites in 431 (Thuc, II, 13).
It is the Reconstruction. Reconstruction period presented another arrangement of noteworthy difficulties. Recreation alludes to the period following the Civil War of modifying the United States. It was a period of extraordinary torment and unlimited inquiries.
