Identify the structure of the sentence: "The Internet has been a boon and a curse for teenagers." ~ J. K. Rowling

What she is basically saying is that the internet is helpful and beneficial for teens, like information, socializing and having knowledge their fingertips but also a curse for the social media aspect of it is addicting and can sometimes be harmful in many ways destroying their self esteem and confidence. Hope this helps :)

Delegates: representatives who cast votes at a political party's national convention. binding: if a primary or caucus is “binding” that means the delegates won in that contest are legally bound to vote for a particular candidate at the parties national convention.a primary is a preliminary election used to determine a party's nominee for a specific office. the winner of the party's caucus, or primary, wins the party nomination for that state. then the delegates meet at their party's national party convention, which is a formal gathering of all party delegates from all states.