He faces several internal and external challenges throughout the series.

In the last 15 years they have faced few serious external challenges.

When the external challenges are removed, you have to confront the inner ones.

In order to face external challenges, the Arab leaders should give their people freedom and democracy.

Dunama took on power in the midst of external challenges to the empire.

But the Union will also be freed up to act more effectively on the domestic and external challenges we face.

The European Union faces many challenges, both internal and external.

The fact is that Europe has for some time been faced with internal and external challenges in the international community.

However, a great number of external challenges, particularly in our Mediterranean neighbourhood, mean we cannot afford to wait.

The Ukrainian economy must now face up to particularly difficult internal and external challenges.