True. What's going on at that time usually has a lot to do with the social structure.
lemuel gullivers proffesion was a doctor
She says that macbeth is acting crazy because he is mentally unstable and was something he had since childhood but really macbeth was seeing banquos ghost
Just a simple thank you, if someone does something nice for you, keeping your elbows off the table at dinner, not eating loud and messy. these are most common ways of expressing good manners.