Explain the move from the single-melody chant to multiple melodies sung or played at the same time (polyphony). Describe the stages of this development.

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Hee the american public did not truly take in the horror of adolf hitler's regime until years after the existence of concentration camps was first reported in american newspapers. partly this was the fault of the media, which did not give prominent placement to news of the holocaust. what other factors do you think contributed to the long delay in understanding the holocaust?