Answer:
Giving a counterargument allows the essay/writing to contain more perspectives that strengthen the claims as more perspectives allow the reader/viewer to see an overall "picture" of the argument. Also, being able to "debunk" the counterargument as false or not strong will help in strengthening your own essay/argument.
Including only your side of the argument leaves the reader/viewer no perspective of the whole topic.
So that there is a reason that you are arguing
Answer:
I want to help you but I really don't know .
Human rights reflect the minimum standards necessary for people to live with dignity
To detect the paleobiology fossil is a very difficult project.
Every hydrologist knows that water is constantly in motion.
Christians and Catholics both believe in monotheism.