Even as I write, the last major barrier is finally falling.

Financial limits remain a major barrier to the extension of social protection.

That had been one of the major barriers to my enlightenment.

"Language was a major barrier to access to health and human services."

But even so, any terrorist group attempting a nuclear attack would face major barriers.

It is a major barrier between a patient's symptoms and a diagnosis.

Its international scope is particularly attractive, with language the only major barrier to communication.

They also took out some major barriers to corporate welfare.

In their case the major barrier to employment is likely to be employer attitudes.

There are no major regulatory or financial barriers to entry.