in terms of nationality, particularly for people who are immigrants, the recent increase in global migration make them an increasingly common demographic everywhere. though they will have varying cultures as well. in this aspect, it is important for those who are trained to understand both similarities and differences between them, and the individual they are helping. with this knowledge, it makes the process of aiding the individual more efficient, and successful. both the past nation the individual has come from, and their journey of immigration as an experience, can shape their mentality. to have specialists with specific nationalities help explain some differences is a helpful strategy.