The phrase "an effort to undo" is correct and usable in written English.
It can be used when describing an attempt to reverse or negate a previous action or situation.
Example: "The organization launched an effort to undo the damage caused by the recent policy changes."
Alternatives: "a attempt to reverse" or "an endeavor to negate".
This was an effort to undo an electoral result in 2016, and don't let this happen again.
The court should see Oklahoma's tactics for what they are — part of an effort to undo the right to choose under the guise of protecting women's health.
Another school of thought conceives of Mr. Erdogan's campaign as a clumsy, occasionally excessive but necessary correction: an effort to undo Turkey's long marginalization of the devout.
In this context, it comes as a bit of a shock to see an effort to undo AB 32 gaining traction.
The Taliban have made other girls' schools bombing targets in an effort to undo what they see as Western influence in Afghanistan.
A lawyer for the original plaintiffs in the Handschu case, Jethro M. Eisenstein, said that what police officials were describing as an effort to modify the consent decree actually seemed like an effort to undo it.
Vicki Arroyo, executive director of the Georgetown University Climate Center, said in an email that any effort to undo the previous administration's work to cut greenhouse gas emissions would take time.
President Bush is right to say that any effort to undo his tax cut is "wacky," but having a tax cut that's only good between 2004 and 2010 isn't much better.
Work has begun on an ambitious effort to undo what officials call the nearly lethal damage that has been inflicted on the Everglades by a century of development and exploitation.
Conservative bloggers tended to interpret the candidate's supply-side politics as part of a broader generational narrative — his proposed "Path to Prosperity" entitlement cuts, they argued, were classic Gen X financial pragmatism, an overdue effort to undo the excess of older generations.
And so in many ways the struggles of the past half century have been an ongoing effort to undo accumulated damages inflicted on many Arab societies in the preceding half century and to construct a new political order to replace the one that had been imposed on them.
