Which sentence best illustrates this point? Some spies were executed for their involvement in gathering intelligence for the Sou
th. Spies gathered intelligence from letters, newspapers, and interviews with prisoners and deserters. Use of photography and the telegraph slowly transformed spying into a scientific vocation. Spying during the Civil War evolved significantly from the amateur efforts of the Revolutionary War.
B may be true but the real idea they are trying to get across is that, as time passes, more people speak up. This is seen in many cases. Especially in cases with media vs. honest citizens.
