Which of these developed as a result of the increase in city populations? A. Education reform movement
B. The entertainment industry
C. Projects to make the city more beautiful
D. All of the above

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Options are: a.  party officials decide how best to choose a candidate for president.b.  party officials decide what policies a candidate will pursue if elected.c.  party officials decide the best way to communicate with the public.d.  party officials decide if a candidate is qualified and of good character.