Answer:
I think, after this election especially, voting is actually beginning to matter for more people. I think our population is (hopefully) beginning to realize that they <em>can </em>have an affect on who their leader is. A reason a powerful person may not necessarily want the average citizen to know this is because they want to stay in power. If we don't know we can make a difference, we can't hurt their power. A horrible way of thinking, but unfortunately the way many power-craving people behave.
C - Beautiful antique instruments renames guitars
Appositives are nouns or noun phrases that renames another noun beside it. The phrase 'beautiful antique instruments' renames and is right beside 'guitars' as it is describing them.