What belief does whitman share with ralph waldo emerson and other transcendentalists?

In 150 words, explain what northup (in twelve years a slave) could have done to prevent being kidnapped by hamilton and brown.

What is implied in this sentence from mark twain's "the £1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.

What logical prediction can be made from this passage?