8. It is an oral exchange or transmission of ideas and emotions between or among individuals​

first one is your answer

~coco

hygelac - beowulf's uncle, king of the geats, and husband of hygd. hygelac heartily welcomes beowulf back from denmark. hygd - hygelac's wife, the young, beautiful, and intelligent queen of the geats. hygd is contrasted with queen hope this

from the political point of view it could be said that the candidate   is an effective speaker because she takes a strong position on the issue. it is an open discussion but probably she is making a presentation and can choose which subjects she wants to address. she is very likely to attain her aim which is to convince voters to accept her proposal.