The phrase "able to undermine this" is correct and usable in written English.
It can be used when discussing the capacity or capability to weaken or damage something, often in a context of argument or influence.
Example: "The evidence presented was compelling enough to suggest that the opposing argument was able to undermine this theory."
Alternatives: "capable of weakening this" or "able to subvert this".
This is remarkable because not only was the movement able to undermine the official version of the news (which made the regime look ridiculous), it was also able to play a key role in telling its own story.
Republicans have the advantage of being able to undermine the very institution they are elected to.
"Cyber attacks are already able to undermine the reliability of our nuclear command, control and communications," he says.
"There are always going to be those operating outside the agreement, but as long as they are not able to undermine the process they will remain marginalized".
In their remote experiment, the researchers were able to undermine the security protecting the cellular phone in the vehicle they bought and then insert malicious software.
Mr. Brown also notes that El Greco was able to undermine the Renaissance system of artistic representation because, as an outsider, "he never fully believed in it".
Plus, by making Emma so unlikable O'Neill is able to undermine the defence of 'they were asking for it' and shame victim blaming.
Through these institutions, Yoritomo was thus able to undermine the central government's local administrative power, and subsequently he even made efforts to rule remote districts, such as Kyushu, Japan's southernmost island.
But defence lawyers may be able to undermine the credibility of witnesses who have an incentive to blame their former bosses, irrespective of the truth.Finding the credible witnessAs conspiracies are by their nature secret, prosecutors often rely on the testimony of co-operating conspirators.
A few hundred people, mostly sports officials, athletes, and their relatives, listened as a baseball player told the crowd, "In the face of the shameless robbery of our players, and the constant attacks against our people, they have still not been able to undermine the quality of our team!" An elderly black man got up onstage and said that in his youth he had played baseball in the United States.
