Technically this is true, since most of these men would spend the large majority of their time focussed on a specific subject, but there were of course exceptions.
Answer:
A.the Vietnam War (1955-1975)
Explanation:
Prior to this americans havent seen a war being broadcast live, nor being this immidiately in their living rooms, this changed cable news forever, the foreign bureau offices of different broadcasters chains started to open and reporters and journalists started going to war zones to cover the war, up to this day there is still war reporters and war correspondants in almost every news chain in the States.
