What Makes Debby Clarke Belichick The NFL’s Most Influential Ally?

The formal and traditional answer is makes, because the subject is the singular noun phrase receiving homemade cupcakes. In actual speech, and even sometimes in writing, many people say make, under the influence of the more recent plural noun cupcakes. I would recommend saying makes, but be prepared to hear make.

What Makes Debby Clarke Belichick the NFL’s Most Influential Ally? 1

Are the expressions "This doesn't make sense" and "This makes no sense" equivalents? If not, what's the difference?

What Makes Debby Clarke Belichick the NFL’s Most Influential Ally? 2