Because many of these immigrants — especially those who are here illegally — are poor or underemployed, the area provides a fertile recruiting ground for cartel operatives. (chicagomag.com)
Southern California has some of the most fertile recruiting ground in the country, but there evidently is not much room for both UCLA and USC to land and field elite talent. (sbnation.com)
(Additional things to consider: «X Ante-natal services are the best recruiting ground for fathers — they are almost all present there. (fatherhoodinstitute.org)