In the twentieth century, external migration patterns were usually
(a) from rural to urban areas.
(b) from urban to rural areas.
(c) from developed to developing nations.
(d) from developing to developed nations.
(e) from wartorn regions to regions at peace.

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explanation:

most are appointed by the president and confirmed by a vote in the senate. however, appeals court judges appoint federal bankruptcy judges, and district judges appoint federal magistrate judges. the qualifications for these positions vary depending on the preferences of the person reviewing nominees.

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