No significant internal challenges emerged from inside the regime after the 1967 coup attempt.
China has gigantic internal challenges ahead, in coming decades.
These internal challenges are made more difficult by external pressures.
While the nationalists controlled much of the country they still faced internal challenges.
The original premise of the Lisbon strategy was to provide an answer to the internal and external challenges we currently face.
The report is a fair account of the internal and regional challenges facing Syria.
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.
It will itself have to meet the conditions and overcome its internal challenges by its own means, but we can help.
Yet China is a huge country with considerable internal challenges and differences between its regions.