Hero does not have to have good looks. He or she certainly is not vindictive or jealous. The only correct answer is Courage.
What is wrong in this sentence is the pronoun their.
As you can see, the pronoun <em>their </em>in this sentence refers to <em>the modern American family. </em>Since the word <em>family </em>is singular, the pronoun which modifies it also has to be singular. So, instead of using the pronoun <em>their, </em>it should be <em></em><u>its.</u>
Because the charli he
I hope this helps