The phrase "strategies to challenge" is correct and usable in written English.
You can use this phrase when referring to organizing or introducing a plan of action to make a difficult or complex situation easier to handle. For example: "My team and I discussed various strategies to challenge the competitive market and find a way to stand out."
A year after the establishment of the so-called caliphate by Islamic State, western governments are struggling for strategies to challenge sympathy among their citizens towards the militants.
Chris Cochlin advises businesses and governments on a wide range of international trade matters, including antidumping and countervailing duty litigation, trade policy and trade negotiations, bilateral investment, and market access strategies to challenge or defend foreign and domestic measures.
More lawyers representing the candidates flooded into Florida, Ohio, Pennsylvania and the other swing states every day with strategies to challenge new voters at the polls, to keep polling places open longer if lines are long and to demand recounts if victory margins are narrow.
He spent the next two decades crafting legal strategies to challenge his New York verdict and lunacy laws in general.
She is a leader in creative communications for social justice, specializing in grassroots participatory strategies to challenge race, class and gender bias and to move transformative stories through multiple mediums.
The research on learned helplessness, resilience, and empowerment may contribute to strategies to challenge social norms of gender inequality.
We can only have a strategy to challenge something if you understand what you're challenging".
Nobody in long-distance has come up with a viable, cost-effective strategy to challenge the Bells.
The rebels appear to be gaining in their strategy to challenge the air supremacy of Mr. Assad's military.
Google executives have asked company lobbyists to develop a political strategy to challenge the acquisition, which could threaten Google's dominance of Internet advertising.
A nationwide strategy to challenge the surge in racism will be launched on Monday by the anti-fascist organisation Hope Not Hate.
