Answer:
Japan is an example of ethnocentric society:
The advantages are:
- Less internal conflicts (no ethnic conflicts)
- Immune to some external threats (such as Islamic terrorism)
- Marketing research is more simple (no need to take into consideration many ethnic preferences)
- One language (no need to have multiple interpretors, no problems of misunderstanding due to language differences)
- One culture (no need to take into consideration cultural differences)
- No problem of illegal immigration (because there is no legal immigration)