Answer:
Many people die in the end and the main character suffers bad luck
Explanation:
A tragic work will not usually have a happy ending so many people like, it often involves many tragedies (as the title mentions) and may not turn out well for the protagonist in the end.
The answer is B, because we are learning about the national air and space museum, not the there museums.
Answer:
B. the repetition of words and phrases
The crowd, because it identifies a group of people and still sounds like a singular noun.