<span>The answer is Ravenna. The city is on a lowland plain close to the union of the Ronco and Montone rivers, 6 miles (10 km) inner from the Adriatic Sea, with which it is linked by a canal. Ravenna was a significant part in history as the principal of the Western Roman Kingdom in the 5th century AD and later (6th–8th century) of Ostrogothic and Byzantine Italy.</span>
Answer: Here in this given case it is stated that, the study or research has been determined to be freed from the federal and state rules and governance by organizations policy. Therefore, if a scheduled research or study is entitled for exemption, then federal set of rules are not required to review at the site where the research will take place.
Answer: the 13th amendment
