Cats make good house pets. It's the main idea in the sentence, and it's independent also. The other clause is dependent, so it is not the main clause.
All these questions depend on what you studied, no one can help you here. Go study and good luck.
You probably already got the answer but:
Keeler deals mainly with the Pilgrims while Bruchac discusses immigrants who came later
Keeler uses an argument that appeals to facts and emotions
Keeler looks toward the future while Bruchac looks at the past
It shows he is trying to get in touch with the beauty and life he caught a glimpse of. Hope this helped.
The answer is B. I took the test.