Pls help, give BRAINLIST if correct

Correct choice is option D.

Explanation:

A historian's work is similar to that of a police officer's. A historian researches a lot about whatever their topic is. They both go above and beyond to confirm his or his research or findings about a past history event. They both  look for firsthand or even secondhand experiences on the subject. They both look for actual witnesses to support their claims on their findings.

east-west schism. the greatest effect of the east-west schism was the creation of two separate churches that had previously been unified under one church, the eastern orthodox church and the roman catholic church.

shang dynasty

western zhou (ca. 1046-771 bce)

eastern zhou (ca. 771-256 bce)