Who selected the Royal governor and why was his power limited?

As conceived, a constitutional monarch was head of the executive branch and quite a powerful figure even though his or her power was limited by the constitution and the elected parliament

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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