Explanation:
Because during the manufacturing age there was apprentices and masters and in the scientific age people were just workers and it is impersonal now because unlike the 1 on 1, it is now a 1 on thousands.
Girl just choose one of those ..google about it and whatever you find on it just convert it into your words and submit it it’s not that complicated
It is C.1950 18) The popularity of television expanded rapidly beginning in what 20th Century decade? it is C. 1950