Repetition in writing can contribute to text because it can help to emphasize a point and gives words rhythm.
D because a punctuation never goes after and .
Answer: "Governments are formed by men to protect these privileges, deriving their equal powers from the consent of the governed."
I think the best choice is the last one: <span>d. appropriate length.
. Length is also determined by the purpose of the work and the context in which it will appear. (for examples, some newspaper articles have per-specified length). </span>