To better understand someone's point of view, you ask this person to explain the REASONS for his/her opinion.
Here are some phrases you can use to ask for and give reasons:
Caption: : When do we use "because", "because of", and "due to"? Watch this video to find it out!
Slide 3
Giving more reasons...
To give several reasons for your point of view, you can introduce each reason with a phrase like these:
First (of all), ...
Also, ...
Second, ...
Another reason is...
Another thing is...
Finally, ...