The phrase "most clearly manifested" is correct and can be used in written English.
It means to clearly demonstrate or show something. Example: The symptoms of her illness were most clearly manifested through her chronic fatigue and loss of appetite.
Those fears are most clearly manifested in his tendency toward hyperbolic comparison.
The pathology of the Athenians is most clearly manifested in their disastrous expedition to Sicily.
Data on output per hour worked suggest a supply-side problem, most clearly manifested in the service sector, where the impressive ingenuity seen in so many manufacturing industries typically is nowhere in evidence.
It is found that the catena under investigation is distinguished by attributes of anthropogenic impacts which are most clearly manifested in plant communities.
These power differences between the sexes are most clearly manifested through IPV, and are a central determinant of safety of sexual encounters (16).
Thus, we show that early passage metastatic melanoma cell lines have deregulated growth factor signalling pathways in comparison to primary melanocytes, but that this phenomenon is most clearly manifested upon serum withdrawal.
So far, the drought of 2000 has been most clearly manifest in the Great Lakes region.
Mostly, though, the works seemed shopworn, a quality most clearly manifest in the quartet's too frequently harsh timbres.
The link between the industrial defeats of the 1890s and direct union involvement in politics was most clearly manifest in Australia.
The originality of tagmemic analysis and the application of the term tagmeme is most clearly manifest in the domain of grammar.
The problem is of course most clearly manifest in "The Mountain People," which was apparently written in a burst of creativity during a return visit to Turnbull's beloved Mbuti.
