I believe the answer is: Formal region
Each formal region would be differentiated by their own unique government structure that separate each region with the other. Each border on the sides of each region would consist of some sort of boundaries ( could be natural or human made) that accepted by all regions as a legal separation between their jurisdiction.
Examining the previous work in the area that one is interested in researching is an example of looking at existing literature.
It is also called Literature Review and is also part of the research.
<h3>What are the different stages of research?</h3>
There are several stages of research. They are:
- Problem Identification
- Reviewing existing literature
- setting research questions, objectives, and hypotheses
- electing ones study design
- electing sample design
- collecting, processing, and analyzing research data
- report writing
See the link below for more about research:
brainly.com/question/968894
