When you encounter an unknown word that has a prefix, what is the first thing you should do?

Skip it altogether.
Define the prefix and see how it affects the root word meaning.
Put it at the end of the word to make it clearer.
Add another prefix to it.

How does thoreau defend his approach in the second paragraph of "economy" inwalden? -he uses the word "t" because he feels it sounds more interesting-he does not use first-person point of view because his is a fictional account-he uses first-person point of view to get his readers' attention-he uses the word "t" for the sake of sincerity and honesty.