Parallelism is the type of writing wherein the sequence of sentences are fashioned in a way that they are 'parallel'. It could be same in structure of prose, verbal and grammatical structure and tone of voice. It does not necessarily mean that they depict the same meaning. The important thing to note is, parallelism caters to corresponding sentences just like that of the statement in letter A.
The Byzantine world underwent a remarkable recovery of intellectual energy in the period following the recovery of Constantinople in 1261. The reaction of the emperors and their entourage of well-educated high officials to their political disasters
Answer:
Federal Court System and the State Court System.
Explanation: