Why were slaves denied the ability to read and write

Which controversial political issue of the 1920 is reflected in the cartoon

Which type of work did slaves in the us south not engage in? gang work skilled work task work union work

If any state tribunal decides a federal question and the litigant has no further remedy within the state court system, from which of the following remedies could the litigant possibly benefit? a.a hearing by a us district courtb.a hearing by a federal court of appealsc.a hearing by the us supreme courtd.a congressional vote b, the correct one!