Sentence examples similar to substantiate stance from inspiring English sources

UPDATE: Here's the full statement: In the most recent discussions, as before, Bundesbank President Jens Weidmann reiterated his frequently substantiated critical stance towards the purchase of government bonds by the Eurosystem.

By citing Libya's reform as the outcome of a threatening foreign policy stance, the Bush administration is substantiating a foreign policy doctrine on false premises.

The opposition Adhaalath party agitating for the ban has failed to substantiate its claim, leading one anonymous source to tell the AFP news agency that the anti-spa stance is designed to simply "embarrass the government".

This seems hard to substantiate.

and could not substantiate them.

The intentional stance.

"There is nothing to substantiate this.

Hospital could substantiate his self-proclaimed longevity.

Evidence now seems to substantiate this claim.

He maintains his stance.

Ludlow's stance?