Some topics are general and are regarded as 'classical' because they are always relevant across time periods through being relatable even as time progresses. For example, topics or themes about politics and satire would still prevail until now. Other topics or themes (such as viral videos) are only for that particular event and do not always occur, thus they do not prevail in the long run.
B
You are thinking about what you just learned and are summing it up
Answer:
1. he was elected as a candidate who wanted to forbid slavery in new U.S. territories
2. the order of its main points