The first is correct as chronological order and that means by date. The Missouri Compromise, was in 1820, the "popular sovereignty, was in 1854, and the Dred Scott decision was handed down in 1857. Hope this helps!
This is a compound sentence because you can break it into two sentences.
Hope this helps
Explanation:
Architecture, the art and technique of designing and building, as a distinguished from the silks associated with construction...
