What considerations were made by the europeans to the native africans?

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.

Which choice best describes how your answer compares to the sample