What did joseph stalin hope to accomplish during the great purge of the 1930?

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.

hope this , give me brainliest answer = )

these civilizations were located around fertile rivers, where they could produce an abundance of crops