Answer: Interactionist perspective
Explanation:
Interactionist perspective deals with how people relate with others in a society they have found themselves in, how they socialize quickly by interactions and how they behave amongst themselves. This looks at how humans react on basic things that is relative amongst them
For example, the DNS settings on your routers might be causing this, your network administrator might have this enabled at their end or if you installed a new add-on in your browser then it might be causing to force these settings and thus preventing the user to change this option.
The purpose is to hook the audience and begin describing your main idea
D) parliamentary republic