There is no simple answer to this question, but below there are a list of words every human should use every time they come in contact with another human.
- Thank you
- Please
- Excuse Me
- Yes (not yeah)
- A polite tone of voice is also important
Please, America, make yourself familiar with the phrases listed above. Using them will only increase your well being. Thank you for obliging. And yeah, excuse me, yes, I will be polite as well.