2) One reason why the Constitution has remained a living, flexible document
for more than 200 years is the
A) lack of a formal amendment process.
B) Framers' precise language.
C) Informal process of change through
custom and interpretation.
D) States refusal to obey its entire principal

federal appellate courts are called courts of appeals. cases can be further appealed to the u.s. supreme court. cases are heard for the first time in a trial court. if either party disagrees with the decision in the trial court, they can appeal, asking a higher court to review the decision.

i think it is d korean