The answer is b. The decorator recommended that the wallpaper be changed immediately.
It is a run-on sentence, because there needs to be a comma after 'his food'. If there were, it would be a normal sentence, but since there isn't, it is a run-on sentence, meaning it lacks the appropriate punctuation mark.
Answer:
The movement sought to raise Black self-awareness and to unite Black students, professionals, and intellectuals. As Black political activity increased, the apparently monolithic NP began to fragment.
Answer: If people knew what was happening in the other parts of Panem then they might turn against the capital knowing the horrible living conditions in which say Katniss’s lives in. What people don’t know doesn’t hurt them. So it benefits the Capital by the amount of control they have.