question: it was lin who had the little red book of mao's sayings printed up and distributed in the millions throughout china. lin was the arch sycophant of all time.
Capitalize this past sentence correctly.
A: It was Lin who had the little Red Book of Mao's sayings printed up and distributed in the millions throughout China. Lin was the arch sycophant of all time.

question: pregnancy and childbirth - health - how to choose footwear
Capitalize this past sentence correctly.
A: Pregnancy and childbirth - Health - How to choose footwear

question: when disraeli died in 1881 he had spent between thirty and forty years warning his countrymen and the world against “the secret societies”:
Capitalize this past sentence correctly.
A: When Disraeli died in 1881 he had spent between thirty and forty years warning his countrymen and the world against “the secret societies”: