This means that they are unwelcome guests to someone elses home.
This is false!
Attitude does not have anything to do with effectiveness: it can relate to everything. One can have an attitude towards everything: other people, ideas, places, it basically means an opinion about something, a way of thinking about something.
The answer is: B. United Nations.
This is similar to the symptom of schizophrenia called inappropriate affect. An inappropriate effect is an emotional expression that is inadequate or inharmonious with the situation or the event that is taking place, due to its intensity or quality. In Tourette disorder, the person cannot regulate this symptom despite being aware of the inappropriateness of his message and behavior.
I hope my answer can help you.