Question one: True
Question two: True
Question three: True
Question four: True
I just took the K12 test.
The purpose of dividing an argument in sections is because;
Purpose of intro:
To inform readers the topic you are trying to persuade them on.
Body: To back up your argument with evidence from multiple sources to try to get readers to be on your side.
Conclusion: To basically summarize what you just wrote and to end off your essay.
Hope that helped :)
-Smartcookies