The early Guard was too busy just trying to keep people alive right then to worry about potential future challenges.

But the new King faces potential challenges from his neighbors.

At this point, they will have no choice but to accept that potential challenge.

It is important for all levels of government to be clear, in advance, which department will lead on main potential challenges.

North Korea sees organized religious activity as a potential challenge to the leadership.

Before the architect was chosen, the project came under attack on several fronts, and potential challenges remain.

He did so with an eye toward facing a potential challenge from a wealthy candidate.

Blogs have been promoted by some commentators as a potential challenge to traditional news media companies.

They vaguely refer to what happened in the war and how difficult it was for Kay to overcome a potential challenge.

The map is color-coded to indicate where potential challenges might develop in the future.