in his sermons he tried to prove the essential equality of all human beings, attacked private property obtained without work, and exhorted his listeners to sacrifice everything in their struggle for human rights.

How would the previous sentence be correctly capitalized?
Answer: In his sermons he tried to prove the essential equality of all human beings, attacked private property obtained without work, and exhorted his listeners to sacrifice everything in their struggle for human rights.
source for 3 channels high-power led wall washer lww-5 manufacturers at zhongshan karnar lighting & electron factory.

How would the previous sentence be correctly capitalized?
Answer: Source for 3 channels high-power led wall washer lww-5 manufacturers at zhongshan karnar lighting & electron factory.
it produced an atmosphere in which mathematical research flourished.

How would the previous sentence be correctly capitalized?
Answer: It produced an atmosphere in which mathematical research flourished.
during 1200 - and 1300's constituted inka one of many small, rival hövdingdömmen that grew out of the rubble of the huari empire.

How would the previous sentence be correctly capitalized?
Answer: During 1200 - and 1300's constituted inka one of many small, rival hövdingdömmen that grew out of the rubble of the Huari Empire.