Sentence examples for it has challenged from inspiring English sources

It has challenged its neighbors to the south, in India, and to the north in South Korea.

Later, he accused the US and its allies of targeting Iran, which is under sanction over its nuclear programme, because it has challenged orthodoxy.

But under Mr Shwe Mann's direction, it has challenged presidential power and asserted its independence.

It has challenged conventional wisdom of what is a planet.

Science is never easy, and throughout history it has challenged established interests.

And it has challenged the merger of two hospitals in Albany, Ga.

It has challenges to be sure, but the long-term payoff is very appealing.

For now, no one has challenged it, so it stands.

"It would have challenged every idea from the start".

"I've talked to other business people about it, and they have challenged it.

They have challenged it in federal court.