Regions can be designated by: O A. anything that is important to study.
O B. climate
C. latitude
O D. rainfall

A because a lot of things can help you designate a region as long as u have the right information

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

Idon't  see a map but it goes to d.christianity with about 2.1 followers today