What is fundamental purpose of argumentation how do arguments start

An argument has two purposes. It is used to

Because people don't always agree on what is right or reasonable, appropriately constructed argument helps us arrive at what is fair or true. It is used to settle disputes and discover the truth. Instructors assign argumentative writing so students can learn to examine their own and other’s ideas in a careful, methodical way. Argument teaches us how to evaluate conflicting claims and judge evidence and methods of investigation. Argument helps us learn to clarify our thoughts and articulate them honestly and accurately and to consider the ideas of others in a respectful and critical manner.

just need the points

explanation:

i'm asking the same thing i asked this other cat all of