Are there social or ethnic barriers to communication?

Often education, language, cultural or ethnic barriers only add to their unfortunate situation.

Networks long ago broke through racial and ethnic barriers.

Better understanding of Berkeley's admissions policy would help break down racial and ethnic barriers, the researchers suggested.

One of Vision 2020's features would be to gradually break down ethnic barriers.

People who love across ethnic barriers are outcasts.

An ethnic barrier fell in the Balkans today.

They say no commanders here want to risk their troops in the kind of significant confrontation required to break down the ethnic barriers of Mitrovica.

We can learn lessons from this that transcend ethnic barriers.

We ought to cross all of the racial and ethnic and cultural barriers.