How can the concept of a national identity both unite and divide people?

Question

Anonymous · Accepted Answer

It would unite people who live in the same nation, but at the same time, divide the larger group of all humans into separate and distinct nations, probably resulting in an 'us vs. them' mentality.

PsyDAG · Answer

Try this article: http://www.members.cox.net/dagershaw/lol/PrejudiceUsThem.html

mrs. angela james · Answer

NATIONAL IDENTITY BOTH UNITE AND DIVIDE PEOPLE