The author used chronological order to show how things have evolved through history
"Calmly" is the adverb because it describes how he tipped his hat.
A sonnet is composed of three 4-line stanzas (in the ABAB rhyme scheme), followed by a couplet, which is in the AA rhyme scheme. The rhyme scheme of the entire sonnet would look like this: 'ABAB CDCD EFEF GG.Nov
