For the first time we are challenged by competition from other countries.
Human security also challenged and drew from the practice of international development.
She challenged as an independent from the left in the 1995 election.
We didn't do a good job of challenging them from the beginning.
Then another challenged the bearded man, from the door of the little room.
At the same time, he argued a new party was needed to challenge Labour from the left.
Instead, the established positions of leadership were challenged from outside.
He'd never again be like the mirror image of himself who had challenged him from the curb.
I would be challenged on that the next afternoon, from an unexpected source.
And the Mavericks never really challenged from that point on.
