Answer and Explanation:
He concentrates his argument against piracy because he believes that it can end the entertainment industry, which is the biggest concern he presents.
He believes that piracy can end the entertainment industry because it causes a major economic problem for all professionals in that industry. In addition to harming the artist's income, piracy harms the salaries of all professionals in this production chain, which can discourage the production of new music.
The sentence having an infinitive that functions as an
adverb is ‘By late in the afternoon, we were worried to hear the reports of the
storm. ‘ Here, the verb ‘to hear’ which is an infinitive as well was described
by and adverb ‘worried’.