Proxemics in an example of this kind of situation because it is considering use of someone's space and in this case one is in the United States and other place is in India. People are using their space in two different ways and that is a example of social interaction, communication and behavior of one group of people.
Proxemics is belonging to the nonverbal communication group which is also including vocalics, chronemics, haptics and more.
There is no guaranteed way to eliminate every barrier without the proper insight. With questions like these, pay attention to absolute statements like "all," "every," or "none" in many cases, answers like these are simply fallacies.<span />
