Answer:
C. Skillfully
Explanation:
adept means to be skilled or proficient at something so you can infer that adeptly means to be skilled at something
Based on Montaigne's opinion, all empires, countries, state, regions and territories that are not Greek is simply called barbarians. Any man can be called<span> barbarism if the person is doing something that is not in his own practice or from other's group culture, practices and beliefs.</span>