This is a persuasion. Where he says "To attract new businesses to our shores, we need the fastest, most reliable ways to move people, goods, and information—from high-speed rail to high-speed Internet." he is stating the problem. Also where he says "I'm proposing that we redouble those efforts." he is prompting a solution to the problem. Overall he is stating the problem , giving the process and asking for you to help with the solution.
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.
The scientists who provided information about the events in the radio broadcast of The War of the Worlds established logos, by providing facts and details.
I’m pretty sure the answer is b to brainstorm different ideas