question: the situation was somewhat more complicated than that proposed by eratosthenes, but today the names for the races proposed by eratosthenes, namely minaeans, sabaeans, qatabanians, and hadramites, are still used.
Capitalize this past sentence correctly.
A: The situation was somewhat more complicated than that proposed by Eratosthenes, but today the names for the races proposed by Eratosthenes, namely Minaeans, Sabaeans, Qatabanians, and Hadramites, are still used.

question: neo-orthodox karl barth put it this way:
Capitalize this past sentence correctly.
A: Neo-orthodox Karl Barth put it this way:

question: and thus disbelieving humanity continues stumbling on its way, piling up the mountains of human woes, discontent, unhappiness, sorrow, pain, suffering and death.
Capitalize this past sentence correctly.
A: And thus disbelieving humanity continues stumbling on its way, piling up the mountains of human woes, discontent, unhappiness, sorrow, pain, suffering and death.