Answer:
Which has a fascinating history
Explanation:
The best adverb clause which would complete the sentence is given above. This is because, the sentence is talking about Mexico as a country in which Oscar was born in. The country has a fascinating history going by its rich culture and traditions of the people living in it.
Sec:13 has a window got anything to do with the tragedy? (Is a plash back used by framtom)
Since many people is plural, so there isn't only one person, but many of them, the verb also has to be plural. So, the correct answer is A) have.
Bill used to drive more carefully.
OR
Bill used to drive less carelessly
It's simile. It compares the dog to a bulldozer to make it more dramatic.