Answer:
They all have powerful leaders
Explanation:
It's a very long sentence with a lot of information, but it is still only a simple sentence (option b): it has only one verb (taught). In order to qualify as a complex or compound-complex sentence, it would have to have at least 2 phrases, each with a different verb.
The correct answer is C, the impeachment trial of Samuel Chase.
Autumn would announce its arrival by (c) SIGHT
The only answer that makes sense would be A!!