Hey there!
First, make sure you know what an abstract noun is.
Abstract Noun-<span>a noun denoting an idea, quality, or state rather than a concrete object.
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In this case, the answer is D(Logic is easily understood)
Can you be more specific and the link is not working.
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.
The miners who go 1,000 feet into the earth or climb 2,000 feet upon the cliffs and bring forth from their hiding places the precious metals to be poured in the channels of trade are as much businessmen as the few financial magnates who in a backroom corner the money of the world.
Is your answer. Hope this helps!