Which is not a type of support used in argumentative writing ?

The answer to the question above is letter "B. definitions". This type of writing does not persuade the readers as much as statistics, emotional appeal, and rhetorical questions. Persuasive writings should convince its readers with the writer's opinion regard as the correct one. 

the rhetoric device being used to persuade the audience is pathos.

- "the die is cast; i have consented to return if we are not destroyed. thus are my hopes blasted by cowardice and indecision; i come back ignorant and disappointed. it requires more philosophy than i possess to bear this injustice with patience. i have lost my hopes of utility and glory; i have lost my friend."