I don't know much about this, but I know it is definitely not A (he is not white). I also disagree with C, and I don't D is correct, so I would say that Louis Armstrong is considered jazz legend for his ability to play the trumpet and subtle sense of improvisation.
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350,000 .they used as troops.
With a reaper, one man with a horse could harvest large fields in a day. It was thus possible to have much larger farms, with hundreds or even thousands of acres.