Are You Really a Christian?

As Ferdinand and Isabella come into power, Muslims are resurgent. By the end of the 15th century, the descendants of these converseos are also called converseos. And it's not clear who among them is a faithful Christian and who isn't. So now you have this situation where the crown needs to know who's loyal and who is not. Now you need some kind of a test. But in fact, this did happen. The inquisition took place in the 14th century in Spain during all this time of conflict.