The basis for the authority of federal judges is:

Supreme Court justices, court of appeals judges, and district court judges are nominated by the President and confirmed by the United States Senate, as stated in the Constitution. ... Article III of the Constitution states that these judicial officers are appointed for a life term. correct me if I'm wrong

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

b) they want the land taken away from the wealthy landowners and given to peasants.