"Quibble," when used as a verb, means to complain about petty negative aspects of something, and when used as a noun, means a relatively unimportant complaint. So, "complain" is the answer choice closest in meaning to "quibble." For clarification, "panic" means to suddenly feel afraid or stressed in an uncontrolled way, "laud" means praise, "acknowledge" means recognize, and "defy" means resist.

If you change your side or allegiance, the side you ally yourself with, then you “defect.” A “defect” is a fault so be careful. If you “flee,” you run away or retreat, so it is not quite right.

"Champion" is often used as a noun that means victor or winner. However, "champion" can also mean promote, as in the sentence, “She championed the cause of animal rights.” So, "promote" is the correct answer. For clarification, "abandon" means discard, and "disparage" means mock.

When used as a noun, "uniform" means a specific, standardized outfit worn by members of a certain group. "Livery" is a noun meaning a particular kind of uniform worn by servants, and because "livery" is the answer choice closest in meaning to "uniform," "livery" is the correct answer.

The correct answer is "drift."

"Waft" is a verb (or noun) that means to pass (or cause to pass) easily/gently through the air or as if through the air. 

This makes "drift" (carried slowly by a current of air or water) making it the correct synonym.

"Coach" can be a noun meaning an athletic instructor, or a verb meaning to instruct one in a sport. A "coach" can also be a noun meaning "carriage," (generally horse-draw) which is the correct answer.

"Revival" means Recovery; Death means the end of one's life; Monument is usually a figure or symbol that represents something or someone; Province is a territory usually part of a larger state or country; and Possibility is a potential outcome.

"Unrest" means turmoil. "Peace" and "calmness" are antonyms of "unrest" and mean tranquiity. "Enjoyment" means pleasure or amusement. "Democracy" is a representative government.

A "preamble" is an introduction that appears before the main body of work, so "introduction" is the correct answer. For clarification, "finale" and "conclusion" each mean an ending, a "tome" is a long and ponderous book, and an "index" is a list of subjects that appear at the end of a book and the numbers of pages on which one can read about them in that book.

"Retrospect" means recollection, remembering past events, hindsight. You might be able to infer this meaning from the word's roots; "retro-" means backwards, as in the word "retroactive" (applying to a span of time in the past) and "spect" means look or see, as in the word "spectacles" (glasses). So, "hindsight" is the correct answer. For clarification, "optimism" is a positive feeling about future events, "prosperous" means wealthy or successful, "exuberant" means lively, and "evanescent" means fleeting.