Final answer:
B) They are scared of the changing game. According to Katherine, the newsies are scared of Brooklyn because of the changing game.
Step-by-step explanation:
According to Katherine in the musical 'Newsies,' the newsies are scared of Brooklyn because of the changing game (B). Katherine explains that Brooklyn is a tough territory for the newsies because the kingmakers have control over the distribution of newspapers in that area and they don't want anyone new coming in. The newsies are afraid of losing their livelihood and facing the challenges of competition in a new territory.