I have to look these things up, too. So I'll find them, and you can read them and then let us know what you decide for each.
1. https://www.google.com/search?q=United+States+v.+Windsor&oq=United+States+v.+Windsor&aqs=chrome..69i57j69i60.2315j0j7&sourceid=chrome&ie=UTF-8
2. https://www.google.com/search?q=extradition+is+an+example+of&oq=extradition+is+an+example+of&aqs=chrome..69i57.6042j0j7&sourceid=chrome&ie=UTF-8
3. https://www.google.com/search?q=an+exception+to+the+comity+clause&oq=an+exception+to+the+comity+clause&aqs=chrome..69i57j69i64.1316j0j7&sourceid=chrome&ie=UTF-8
Or even better, you should read and reread your text where these questions and answer choices come from.