At Comic Con one year, famous cartoonist Chris Ware gave a speech that talked about art in the past, and where comics will be headed in the future. This is an example of a(n) .

Keynote Address/Speech

Explanation:

Keynote address  or speech is type of speech that contains the theme or subject of the event. It is spoken by people like politicians, celebrities etc in the summarized manner for describing about the major relevant information of the situation .This speech form is used in conferences, political conventions, industrial meeting etc.

According to , example of Keynote address is mentioned through the speech given by Chris Ware as he spoke about the major subject of art and comics scenario in a Comic Con focusing event

the answer is b, encourage free trade

the answer is:

c. economic output