Answer:
It's A
Explanation:
Only line 6 answers this question. The rest do not make sense.
Because is the correct answer. The word because is connecting the two statements together and explaining how they finished their work.
Answer:
Because billionaires create much more economic surplus than other entrepreneurs, they make much larger contributions to our happiness. Still, many Democrats believe billionaires have too much economic and political power and think we should tax away most of the wealth they've earned.