All 3 Uses

manifest
in
Eldest, by Christopher Paolini
(Edited)

She seemed more agitated than he had ever seen her, though it manifested itself only in the tension of her movements.
*

manifested = showed
It manifested itself in small gestures: offers of condolences for his misfortune, respectful silence whenever he spoke, and murmurs of assent when he made a statement.

manifested = demonstrated
Roran said nothing more until Jeod mentioned that the reason Brom and Eragon had visited Teirm was to see if they could use the city's shipping manifests to locate the Ra'zac's lair.
*

manifests = official document listing contents being transported

Definitions:

(1) (manifest as in: manifest destiny)
obvious; or to make obvious; or to show or demonstrate
(2) (manifest as in: ship's manifest)
an official document listing contents being transported
(3) (meaning too rare to warrant focus)