Based on the clue 'association that annually bestows the melvil dewey...', what is the answer?

Based on the clue 'associated with the onset of spring this constella...', what is the answer? Based on the clue 'associated with this large romanian region vlad th...', what is the answer? Based on the clue 'associated with this sense the olfactory lobe is b...', what is the answer? Based on the clue 'associated with unicorns the chi lin of this large...', what is the answer? Based on the clue 'assume a secondary position maybe in the car', what is the answer? Based on the clue 'assume the role of aspiring pirate guybrush threep...', what is the answer? What is referred to by 'assume this baseball position'? Based on the clue 'assumed last name of the secretary general of the ...', what is the answer?