The phrase 'calls the need' is an acceptable phrase in written English.
You can use it when you want to say that something has made a particular requirement necessary or that a requirement has been identified. For example: The increasing number of students in our classes calls the need for additional teaching staff.
At the same time, García was vague about what he calls the need to rebuild the political system.
This calls the need for having adequate information to intervene and solve soil degradation problem.
The U.K.'s National Health Service has so-called trusts throughout the country that oversee medical services, and the conduct of research by NHS physicians, and the AMS report calls the need to get study approval in multiple trusts, each with its own local interpretations of clinical research regulations, the U.K.'s "single greatest barrier to health research".
Unlike Espaillat and Rangel, who have sparred over issues of race and ethnicity in a district dominated by Latinos and African Americans, Walrond has focused on what he calls the need for fresh political blood to represent an area that is heavily working-class and poor, but also undergoing broad gentrification.
Computed tomography images have various intensity properties, and different body lesions appear with different intensity; this calls the need for examining the specification of image before segmentation.
One manager called the need for more images a dead issue.
Cancellara, of the Saxo Bank team, called the need for the X-ray "ridiculous," saying the accusations against him were false.
Mr. Senor, the occupation spokesman, emphasized Sunday what he called the need for Najaf residents to act.
Mostly the speech hailed the success of "denationalisation" (as privatisation was still called), the need to conquer inflation, tame the unions, cut tax ("too high") and reform Europe.
Mr. McConnell does not rule out the passage of a deal he would personally oppose, calling the need to rein in entitlements "the transcendent issue of our time".
After listing many ways in which the United States has supported Israel, Mrs. Clinton articulated the two-state vision, what she called the need for a "political horizon".
