Answer:
because might it be showing how... the world war used to have social impacts on people mind...and... that impact is till twentieth century
Explanation:
i have read world war... and sorry if i am wrong...
"Broadcasters sold
<span> airtime to sponsors who then used it to run advertisements for their goods and services" is the correct answer. Add sales are a heavy source of profits. </span>
In this sentence, the word "throughout" is used as a preposition.
