When historians ask questions about variations across different groups of people with common traditions, they gather information from

Cultural anthropologists

Explanation:

When historians ask questions about variations across different groups of people with common traditions, they gather information from cultural anthropologists. Cultural anthropology is a branch of anthropology that focuses on the study of cultural variation among humans. Therefore, these type of scholars look at the different cultures that make up humanity and study their differences and similarities.

the influence of charles louis de secondant , baton montesquieu.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.