Answer:
To express the central idea the box changed america by letting people
see things on screen instead of traveling out of your location to see it
maybe it might be a long distance or maybe in a whole other continent
that is how it expresses the central idea
Explanation:
Since the 1950 is considered the "golden age "
because that was time when new ideas and high standards continuous
improving technology leaded up to programs that still considered grand classics,In majority parts of the country ,you can still watch those black and white or grand old classics some of the television shows are funny some may not.
