question: and no one was able to answer him a word, neither durst any man from that day forth ask him any more questions.
Capitalize this past sentence correctly.
A: And no one was able to answer him a word, neither durst any man from that day forth ask him any more questions.

question: nickel-cadmium accumulators, for civil aircraft (excl. spent)
Capitalize this past sentence correctly.
A: Nickel-cadmium accumulators, for civil aircraft (excl. spent)

question: western pleasure is a western style competition at horse shows that exhibits the manners and suitability of the horse for appropriate gait cadence and speed, along with suitable disposition.
Capitalize this past sentence correctly.
A: Western Pleasure is a western style competition at horse shows that exhibits the manners and suitability of the horse for appropriate gait cadence and speed, along with suitable disposition.