The phrase "exacerbated the challenges" is correct and usable in written English.
It can be used to describe a situation where difficulties or problems have been made worse.
Example: "The sudden economic downturn exacerbated the challenges faced by small businesses."
Alternatives: "intensified the difficulties" or "aggravated the issues."
Germany wants to divert 10% of the EU budget towards dealing with the refugee crisis, after a lack of joined-up thinking exacerbated the challenges posed by irregular migration to Europe.
The recession exacerbated the challenges of the local advertising business, making stations less able, or at least less willing, to pay the license fees that companies like CBS have demanded in the past.
Limitations and ambiguities in imaging techniques have exacerbated the challenges of acquiring accurate information about spines and spine features.
Finally, the occupation has exacerbated the challenge that ultraorthodox (haredi) Jews pose to Israel's prosperity.
There are way more startups today than ever before, which has exacerbated the challenge of doing pretty much anything.
But following its suggestions will only exacerbate the challenges the Times faces.
Of course, too, as I said at the outset, bad governance has played a baleful role in exacerbating the challenges.
"A report just last week by Enders Analysis found that the BBC plays no role in exacerbating the challenges newspapers around the world are facing.
These events will exacerbate the challenges of population growth and environmental degradation, and will contribute to food shortages and undermine economic development".
Worries about recruitment only exacerbate the challenges for Republicans, who were already on the defensive about next year's prospects because the party that wins the White House often suffers in the subsequent midterm elections.
Community opposition and even hostility remain issues at the old MetLife properties, exacerbating the challenges of finding value either by raising rents or selling units.
