The answer is D because the 15 amendment stated"<span> the U.S. Constitution prohibits the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude".
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The statement that most accurately describes Mr. Blackwell's argument is that his argument is strong because it is supported by facts and disprove the original statement. The correct option among all the options that are given in the question is the last option. The facts provided gives strength to the statement made.
Answer:
He wanted the Soviet economy to keep up with the Western powers, and he also wanted to build up a larger military.